# CVE-2026-14241: Memory safety bugs fixed in Firefox 152.0.4

CVE-2026-14241 is fixed in 102 products on 2 platforms, first by Mozilla Firefox 152.0.4, released June 29, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-14241
- Priority: Urgent
- CVSS: 9.8
- EPSS: 0.0043
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 30, 2026
- Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-14241

## Description

Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152.0.4.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (ach) | 152.0.4 | [Mozilla Firefox (ach) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (af) | 152.0.4 | [Mozilla Firefox (af) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (an) | 152.0.4 | [Mozilla Firefox (an) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ar) | 152.0.4 | [Mozilla Firefox (ar) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ast) | 152.0.4 | [Mozilla Firefox (ast) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (az) | 152.0.4 | [Mozilla Firefox (az) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (be) | 152.0.4 | [Mozilla Firefox (be) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (bg) | 152.0.4 | [Mozilla Firefox (bg) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (bn) | 152.0.4 | [Mozilla Firefox (bn) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (br) | 152.0.4 | [Mozilla Firefox (br) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (bs) | 152.0.4 | [Mozilla Firefox (bs) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ca) | 152.0.4 | [Mozilla Firefox (ca) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 152.0.4 | [Mozilla Firefox (ca-valencia) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (cak) | 152.0.4 | [Mozilla Firefox (cak) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (cs) | 152.0.4 | [Mozilla Firefox (cs) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (cy) | 152.0.4 | [Mozilla Firefox (cy) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (da) | 152.0.4 | [Mozilla Firefox (da) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (de) | 152.0.4 | [Mozilla Firefox (de) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 152.0.4 | [Mozilla Firefox (dsb) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (el) | 152.0.4 | [Mozilla Firefox (el) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 152.0.4 | [Mozilla Firefox (en-CA) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 152.0.4 | [Mozilla Firefox (en-GB) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 152.0.4 | [Mozilla Firefox (en-US) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (eo) | 152.0.4 | [Mozilla Firefox (eo) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 152.0.4 | [Mozilla Firefox (es-AR) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 152.0.4 | [Mozilla Firefox (es-CL) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 152.0.4 | [Mozilla Firefox (es-ES) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 152.0.4 | [Mozilla Firefox (es-MX) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (et) | 152.0.4 | [Mozilla Firefox (et) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (eu) | 152.0.4 | [Mozilla Firefox (eu) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (fa) | 152.0.4 | [Mozilla Firefox (fa) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ff) | 152.0.4 | [Mozilla Firefox (ff) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (fi) | 152.0.4 | [Mozilla Firefox (fi) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (fr) | 152.0.4 | [Mozilla Firefox (fr) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (fur) | 152.0.4 | [Mozilla Firefox (fur) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 152.0.4 | [Mozilla Firefox (fy-NL) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 152.0.4 | [Mozilla Firefox (ga-IE) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (gd) | 152.0.4 | [Mozilla Firefox (gd) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (gl) | 152.0.4 | [Mozilla Firefox (gl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (gn) | 152.0.4 | [Mozilla Firefox (gn) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 152.0.4 | [Mozilla Firefox (gu-IN) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (he) | 152.0.4 | [Mozilla Firefox (he) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 152.0.4 | [Mozilla Firefox (hi-IN) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (hr) | 152.0.4 | [Mozilla Firefox (hr) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 152.0.4 | [Mozilla Firefox (hsb) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (hu) | 152.0.4 | [Mozilla Firefox (hu) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 152.0.4 | [Mozilla Firefox (hy-AM) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ia) | 152.0.4 | [Mozilla Firefox (ia) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (id) | 152.0.4 | [Mozilla Firefox (id) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (is) | 152.0.4 | [Mozilla Firefox (is) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (it) | 152.0.4 | [Mozilla Firefox (it) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ja) | 152.0.4 | [Mozilla Firefox (ja) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ka) | 152.0.4 | [Mozilla Firefox (ka) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (kab) | 152.0.4 | [Mozilla Firefox (kab) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (kk) | 152.0.4 | [Mozilla Firefox (kk) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (km) | 152.0.4 | [Mozilla Firefox (km) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (kn) | 152.0.4 | [Mozilla Firefox (kn) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ko) | 152.0.4 | [Mozilla Firefox (ko) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (lij) | 152.0.4 | [Mozilla Firefox (lij) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (lt) | 152.0.4 | [Mozilla Firefox (lt) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (lv) | 152.0.4 | [Mozilla Firefox (lv) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (mk) | 152.0.4 | [Mozilla Firefox (mk) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (mr) | 152.0.4 | [Mozilla Firefox (mr) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ms) | 152.0.4 | [Mozilla Firefox (ms) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (my) | 152.0.4 | [Mozilla Firefox (my) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 152.0.4 | [Mozilla Firefox (nb-NO) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 152.0.4 | [Mozilla Firefox (ne-NP) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (nl) | 152.0.4 | [Mozilla Firefox (nl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 152.0.4 | [Mozilla Firefox (nn-NO) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (oc) | 152.0.4 | [Mozilla Firefox (oc) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 152.0.4 | [Mozilla Firefox (pa-IN) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (pl) | 152.0.4 | [Mozilla Firefox (pl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 152.0.4 | [Mozilla Firefox (pt-BR) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 152.0.4 | [Mozilla Firefox (pt-PT) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (rm) | 152.0.4 | [Mozilla Firefox (rm) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ro) | 152.0.4 | [Mozilla Firefox (ro) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ru) | 152.0.4 | [Mozilla Firefox (ru) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sc) | 152.0.4 | [Mozilla Firefox (sc) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sco) | 152.0.4 | [Mozilla Firefox (sco) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (si) | 152.0.4 | [Mozilla Firefox (si) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sk) | 152.0.4 | [Mozilla Firefox (sk) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sl) | 152.0.4 | [Mozilla Firefox (sl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (son) | 152.0.4 | [Mozilla Firefox (son) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sq) | 152.0.4 | [Mozilla Firefox (sq) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sr) | 152.0.4 | [Mozilla Firefox (sr) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 152.0.4 | [Mozilla Firefox (sv-SE) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (szl) | 152.0.4 | [Mozilla Firefox (szl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ta) | 152.0.4 | [Mozilla Firefox (ta) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (te) | 152.0.4 | [Mozilla Firefox (te) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (tg) | 152.0.4 | [Mozilla Firefox (tg) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (th) | 152.0.4 | [Mozilla Firefox (th) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (tl) | 152.0.4 | [Mozilla Firefox (tl) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (tr) | 152.0.4 | [Mozilla Firefox (tr) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (trs) | 152.0.4 | [Mozilla Firefox (trs) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (uk) | 152.0.4 | [Mozilla Firefox (uk) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (ur) | 152.0.4 | [Mozilla Firefox (ur) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (uz) | 152.0.4 | [Mozilla Firefox (uz) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (vi) | 152.0.4 | [Mozilla Firefox (vi) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (xh) | 152.0.4 | [Mozilla Firefox (xh) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 152.0.4 | [Mozilla Firefox (zh-CN) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-152.0.4.md) | Jun 30, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 152.0.4 | [Mozilla Firefox (zh-TW) 152.0.4](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-152.0.4.md) | Jun 30, 2026 |
| macOS | Mozilla Firefox | 152.0.4 | [Mozilla Firefox 152.0.4](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-152.0.4.md) | Jun 29, 2026 |

---

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