# CVE-2025-3522: Leak of hashed Window credentials via crafted attachment URL

CVE-2025-3522 is fixed in 139 products on 2 platforms, first by Mozilla Thunderbird (af) 137.0.2, released April 15, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-3522
- Priority: High
- CVSS: 7.4 (Medium)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 15, 2025
- Weakness: CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-3522

## Description

Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to  determine file size, and navigates to it when the user clicks the attachment. Because the URL is not validated or sanitized, it can reference internal resources like chrome:// or SMB share file:// links, potentially leading to hashed Windows credential leakage and opening the door to more serious security issues. This vulnerability was fixed in Thunderbird 137.0.2 and Thunderbird 128.9.2.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Thunderbird (af) | 137.0.2 | [Mozilla Thunderbird (af) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ar) | 137.0.2 | [Mozilla Thunderbird (ar) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ast) | 137.0.2 | [Mozilla Thunderbird (ast) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (be) | 137.0.2 | [Mozilla Thunderbird (be) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (bg) | 137.0.2 | [Mozilla Thunderbird (bg) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (br) | 137.0.2 | [Mozilla Thunderbird (br) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ca) | 137.0.2 | [Mozilla Thunderbird (ca) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (cak) | 137.0.2 | [Mozilla Thunderbird (cak) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (cs) | 137.0.2 | [Mozilla Thunderbird (cs) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (cy) | 137.0.2 | [Mozilla Thunderbird (cy) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (da) | 137.0.2 | [Mozilla Thunderbird (da) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (de) | 137.0.2 | [Mozilla Thunderbird (de) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (dsb) | 137.0.2 | [Mozilla Thunderbird (dsb) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (el) | 137.0.2 | [Mozilla Thunderbird (el) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (en-CA) | 137.0.2 | [Mozilla Thunderbird (en-CA) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (en-GB) | 137.0.2 | [Mozilla Thunderbird (en-GB) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (en-US) | 137.0.2 | [Mozilla Thunderbird (en-US) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (es-AR) | 137.0.2 | [Mozilla Thunderbird (es-AR) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (es-ES) | 137.0.2 | [Mozilla Thunderbird (es-ES) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (es-MX) | 137.0.2 | [Mozilla Thunderbird (es-MX) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (et) | 137.0.2 | [Mozilla Thunderbird (et) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (eu) | 137.0.2 | [Mozilla Thunderbird (eu) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (fi) | 137.0.2 | [Mozilla Thunderbird (fi) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (fr) | 137.0.2 | [Mozilla Thunderbird (fr) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 137.0.2 | [Mozilla Thunderbird (fy-NL) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 137.0.2 | [Mozilla Thunderbird (ga-IE) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (gd) | 137.0.2 | [Mozilla Thunderbird (gd) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (gl) | 137.0.2 | [Mozilla Thunderbird (gl) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (he) | 137.0.2 | [Mozilla Thunderbird (he) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (hr) | 137.0.2 | [Mozilla Thunderbird (hr) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (hsb) | 137.0.2 | [Mozilla Thunderbird (hsb) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (hu) | 137.0.2 | [Mozilla Thunderbird (hu) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 137.0.2 | [Mozilla Thunderbird (hy-AM) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (id) | 137.0.2 | [Mozilla Thunderbird (id) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (is) | 137.0.2 | [Mozilla Thunderbird (is) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (it) | 137.0.2 | [Mozilla Thunderbird (it) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ja) | 137.0.2 | [Mozilla Thunderbird (ja) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ka) | 137.0.2 | [Mozilla Thunderbird (ka) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (kab) | 137.0.2 | [Mozilla Thunderbird (kab) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (kk) | 137.0.2 | [Mozilla Thunderbird (kk) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ko) | 137.0.2 | [Mozilla Thunderbird (ko) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (lt) | 137.0.2 | [Mozilla Thunderbird (lt) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (lv) | 137.0.2 | [Mozilla Thunderbird (lv) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ms) | 137.0.2 | [Mozilla Thunderbird (ms) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 137.0.2 | [Mozilla Thunderbird (nb-NO) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (nl) | 137.0.2 | [Mozilla Thunderbird (nl) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 137.0.2 | [Mozilla Thunderbird (nn-NO) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 137.0.2 | [Mozilla Thunderbird (pa-IN) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (pl) | 137.0.2 | [Mozilla Thunderbird (pl) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 137.0.2 | [Mozilla Thunderbird (pt-BR) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 137.0.2 | [Mozilla Thunderbird (pt-PT) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (rm) | 137.0.2 | [Mozilla Thunderbird (rm) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ro) | 137.0.2 | [Mozilla Thunderbird (ro) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (ru) | 137.0.2 | [Mozilla Thunderbird (ru) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (sk) | 137.0.2 | [Mozilla Thunderbird (sk) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (sl) | 137.0.2 | [Mozilla Thunderbird (sl) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (sq) | 137.0.2 | [Mozilla Thunderbird (sq) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (sr) | 137.0.2 | [Mozilla Thunderbird (sr) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 137.0.2 | [Mozilla Thunderbird (sv-SE) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (th) | 137.0.2 | [Mozilla Thunderbird (th) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (tr) | 137.0.2 | [Mozilla Thunderbird (tr) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (uk) | 137.0.2 | [Mozilla Thunderbird (uk) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (uz) | 137.0.2 | [Mozilla Thunderbird (uz) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (vi) | 137.0.2 | [Mozilla Thunderbird (vi) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 137.0.2 | [Mozilla Thunderbird (zh-CN) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 137.0.2 | [Mozilla Thunderbird (zh-TW) 137.0.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-137.0.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (af) | 128.9.2 | [Mozilla Thunderbird ESR (af) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.af-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ar) | 128.9.2 | [Mozilla Thunderbird ESR (ar) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ar-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ast) | 128.9.2 | [Mozilla Thunderbird ESR (ast) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ast-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (be) | 128.9.2 | [Mozilla Thunderbird ESR (be) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.be-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (bg) | 128.9.2 | [Mozilla Thunderbird ESR (bg) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.bg-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (br) | 128.9.2 | [Mozilla Thunderbird ESR (br) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.br-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ca) | 128.9.2 | [Mozilla Thunderbird ESR (ca) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ca-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (cak) | 128.9.2 | [Mozilla Thunderbird ESR (cak) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cak-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (cs) | 128.9.2 | [Mozilla Thunderbird ESR (cs) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cs-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (cy) | 128.9.2 | [Mozilla Thunderbird ESR (cy) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cy-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (da) | 128.9.2 | [Mozilla Thunderbird ESR (da) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.da-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (de) | 128.9.2 | [Mozilla Thunderbird ESR (de) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.de-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (dsb) | 128.9.2 | [Mozilla Thunderbird ESR (dsb) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.dsb-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (el) | 128.9.2 | [Mozilla Thunderbird ESR (el) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.el-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (en-CA) | 128.9.2 | [Mozilla Thunderbird ESR (en-CA) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-ca-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (en-GB) | 128.9.2 | [Mozilla Thunderbird ESR (en-GB) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-gb-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (en-US) | 128.9.2 | [Mozilla Thunderbird ESR (en-US) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (es-AR) | 128.9.2 | [Mozilla Thunderbird ESR (es-AR) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-ar-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (es-ES) | 128.9.2 | [Mozilla Thunderbird ESR (es-ES) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-es-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (es-MX) | 128.9.2 | [Mozilla Thunderbird ESR (es-MX) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-mx-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (et) | 128.9.2 | [Mozilla Thunderbird ESR (et) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.et-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (eu) | 128.9.2 | [Mozilla Thunderbird ESR (eu) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.eu-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (fi) | 128.9.2 | [Mozilla Thunderbird ESR (fi) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fi-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (fr) | 128.9.2 | [Mozilla Thunderbird ESR (fr) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fr-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (fy-NL) | 128.9.2 | [Mozilla Thunderbird ESR (fy-NL) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fy-nl-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ga-IE) | 128.9.2 | [Mozilla Thunderbird ESR (ga-IE) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ga-ie-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (gd) | 128.9.2 | [Mozilla Thunderbird ESR (gd) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gd-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (gl) | 128.9.2 | [Mozilla Thunderbird ESR (gl) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gl-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (he) | 128.9.2 | [Mozilla Thunderbird ESR (he) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.he-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (hr) | 128.9.2 | [Mozilla Thunderbird ESR (hr) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hr-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (hsb) | 128.9.2 | [Mozilla Thunderbird ESR (hsb) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hsb-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (hu) | 128.9.2 | [Mozilla Thunderbird ESR (hu) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hu-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (hy-AM) | 128.9.2 | [Mozilla Thunderbird ESR (hy-AM) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hy-am-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (id) | 128.9.2 | [Mozilla Thunderbird ESR (id) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.id-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (is) | 128.9.2 | [Mozilla Thunderbird ESR (is) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.is-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (it) | 128.9.2 | [Mozilla Thunderbird ESR (it) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.it-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ja) | 128.9.2 | [Mozilla Thunderbird ESR (ja) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ja-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ka) | 128.9.2 | [Mozilla Thunderbird ESR (ka) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ka-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (kab) | 128.9.2 | [Mozilla Thunderbird ESR (kab) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kab-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (kk) | 128.9.2 | [Mozilla Thunderbird ESR (kk) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kk-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ko) | 128.9.2 | [Mozilla Thunderbird ESR (ko) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ko-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (lt) | 128.9.2 | [Mozilla Thunderbird ESR (lt) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lt-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (lv) | 128.9.2 | [Mozilla Thunderbird ESR (lv) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lv-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ms) | 128.9.2 | [Mozilla Thunderbird ESR (ms) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ms-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (nb-NO) | 128.9.2 | [Mozilla Thunderbird ESR (nb-NO) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nb-no-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (nl) | 128.9.2 | [Mozilla Thunderbird ESR (nl) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nl-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (nn-NO) | 128.9.2 | [Mozilla Thunderbird ESR (nn-NO) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nn-no-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (pa-IN) | 128.9.2 | [Mozilla Thunderbird ESR (pa-IN) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pa-in-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (pl) | 128.9.2 | [Mozilla Thunderbird ESR (pl) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pl-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (pt-BR) | 128.9.2 | [Mozilla Thunderbird ESR (pt-BR) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-br-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (pt-PT) | 128.9.2 | [Mozilla Thunderbird ESR (pt-PT) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-pt-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (rm) | 128.9.2 | [Mozilla Thunderbird ESR (rm) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.rm-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ro) | 128.9.2 | [Mozilla Thunderbird ESR (ro) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ro-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (ru) | 128.9.2 | [Mozilla Thunderbird ESR (ru) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ru-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (sk) | 128.9.2 | [Mozilla Thunderbird ESR (sk) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sk-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (sl) | 128.9.2 | [Mozilla Thunderbird ESR (sl) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sl-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (sq) | 128.9.2 | [Mozilla Thunderbird ESR (sq) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sq-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (sr) | 128.9.2 | [Mozilla Thunderbird ESR (sr) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sr-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (sv-SE) | 128.9.2 | [Mozilla Thunderbird ESR (sv-SE) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sv-se-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (th) | 128.9.2 | [Mozilla Thunderbird ESR (th) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.th-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (tr) | 128.9.2 | [Mozilla Thunderbird ESR (tr) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.tr-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (uk) | 128.9.2 | [Mozilla Thunderbird ESR (uk) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uk-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (uz) | 128.9.2 | [Mozilla Thunderbird ESR (uz) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uz-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (vi) | 128.9.2 | [Mozilla Thunderbird ESR (vi) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.vi-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (zh-CN) | 128.9.2 | [Mozilla Thunderbird ESR (zh-CN) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-cn-128.9.2.md) | Apr 15, 2025 |
| Windows apps | Mozilla Thunderbird ESR (zh-TW) | 128.9.2 | [Mozilla Thunderbird ESR (zh-TW) 128.9.2](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-tw-128.9.2.md) | Apr 15, 2025 |
| Linux | MozillaThunderbird opensuse-leap 15.6 | 128.9.2-150200.8.209.1 | [SUSE-SU-2025:1366-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1366-1.md) | Apr 24, 2025 |
| Linux | MozillaThunderbird sles 15.6 | 128.9.2-150200.8.209.1 | [SUSE-SU-2025:1366-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1366-1.md) | Apr 24, 2025 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:128.10.0esr-1~deb12u1 | [DEBIAN-CVE-2025-3522](https://patchblox.com/security/data/fix/linux/debian-cve-2025-3522.md) | Apr 15, 2025 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:128.10.0esr-1 | [DEBIAN-CVE-2025-3522](https://patchblox.com/security/data/fix/linux/debian-cve-2025-3522.md) | Apr 15, 2025 |
| Linux | thunderbird Debian 14 | 1:128.10.0esr-1 | [DEBIAN-CVE-2025-3522](https://patchblox.com/security/data/fix/linux/debian-cve-2025-3522.md) | Apr 15, 2025 |
| Linux | thunderbird RHEL 10 | 128.10.0-1.el10_0 | [RHSA-2025:7507](https://patchblox.com/security/data/fix/linux/rhsa-2025-7507.md) | Apr 29, 2025 |
| Linux | thunderbird RHEL 8 | 0:128.9.2-1.el8_10 | [RHSA-2025:4649](https://patchblox.com/security/data/fix/linux/rhsa-2025-4649.md) | May 7, 2025 |
| Linux | thunderbird RHEL 9 | 0:128.10.0-1.el9_6 | [RHSA-2025:7435](https://patchblox.com/security/data/fix/linux/rhsa-2025-7435.md) | May 13, 2025 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [thunderbird 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |
| Linux | thunderbird almalinux 10 | 128.10.0-1.el10_0.alma.1 | [ALSA-2025:7507](https://patchblox.com/security/data/fix/linux/alsa-2025-7507.md) | May 13, 2025 |
| Linux | thunderbird almalinux 8 | 128.9.2-1.el8_10.alma.1 | [ALSA-2025:4649](https://patchblox.com/security/data/fix/linux/alsa-2025-4649.md) | May 7, 2025 |
| Linux | thunderbird almalinux 9 | 128.10.0-1.el9_6.alma.1 | [ALSA-2025:7435](https://patchblox.com/security/data/fix/linux/alsa-2025-7435.md) | May 13, 2025 |
| Linux | thunderbird ol 10 | 0:128.11.0-1.0.1.el10_0 | [ELSA-2025-7507](https://patchblox.com/security/data/fix/linux/elsa-2025-7507.md) | Jun 30, 2025 |
| Linux | thunderbird ol 8 | 0:128.9.2-1.0.1.el8_10 | [ELSA-2025-4649](https://patchblox.com/security/data/fix/linux/elsa-2025-4649.md) | May 7, 2025 |
| Linux | thunderbird ol 9 | 0:128.9.2-1.0.1.el9_5 | [ELSA-2025-4229](https://patchblox.com/security/data/fix/linux/elsa-2025-4229.md) | Apr 28, 2025 |
| Linux | thunderbird rocky 9 | 0:128.10.0-1.el9_5 | [RLSA-2025:7435](https://patchblox.com/security/data/fix/linux/rlsa-2025-7435.md) | Jul 29, 2025 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:128.12.0+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-128.12.0-build1-0ubuntu0.22.04.1.md) | Jun 24, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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