# ALSA-2025:7507: thunderbird security update

ALSA-2025:7507, released May 13, 2025, fixes 8 CVEs in thunderbird (version 128.10.0-1.el10_0.alma.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2025-7507
- Platform: Linux
- Released: May 13, 2025
- Priority: High (Closes CVE-2025-2817, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2025:7507

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | almalinux 10 | 128.10.0-1.el10_0.alma.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-2817](https://patchblox.com/security/data/cve/CVE-2025-2817.md) | High | Privilege escalation in Thunderbird Updater | 8.8 | 0.0067 |  |
| [CVE-2025-4091](https://patchblox.com/security/data/cve/CVE-2025-4091.md) | High | Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10 | 8.8 | 0.0051 |  |
| [CVE-2025-4093](https://patchblox.com/security/data/cve/CVE-2025-4093.md) | High | Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10 | 8.8 | 0.0049 |  |
| [CVE-2025-4083](https://patchblox.com/security/data/cve/CVE-2025-4083.md) | High | Process isolation bypass using "javascript:" URI links in cross-origin frames | 9.1 | 0.0046 |  |
| [CVE-2025-2830](https://patchblox.com/security/data/cve/CVE-2025-2830.md) | High | Information Disclosure of /tmp directory listing | 7.4 | 0.0036 |  |
| [CVE-2025-4087](https://patchblox.com/security/data/cve/CVE-2025-4087.md) | High | Unsafe attribute access during XPath parsing | 8.8 | 0.0032 |  |
| [CVE-2025-3523](https://patchblox.com/security/data/cve/CVE-2025-3523.md) | High | User Interface (UI) Misrepresentation of attachment URL | 7.4 | 0.0032 |  |
| [CVE-2025-3522](https://patchblox.com/security/data/cve/CVE-2025-3522.md) | High | Leak of hashed Window credentials via crafted attachment URL | 7.4 | 0.0027 |  |

---

Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo