Vulnerability · Published Aug 19, 2025 · Assigned by mozilla
CVE-2025-9179Sandbox escape due to invalid pointer in the Audio/Video: GMP component
Critical 9.8
In plain English
A critical-severity memory corruption in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | firefox | 128.14.0-2.el10_0 | ALSA-2025:14417 |
| AlmaLinux:8 | firefox | 128.14.0-2.el8_10.alma.1 | ALSA-2025:14442 |
| AlmaLinux:9 | firefox | 128.14.0-2.el9_6.alma.1 | ALSA-2025:14416 |
| AlmaLinux:9 | firefox-x11 | 128.14.0-2.el9_6.alma.1 | ALSA-2025:14416 |
| AlmaLinux:10 | thunderbird | 128.14.0-3.el10_0.alma.1 | ALSA-2025:14844 |
| AlmaLinux:8 | thunderbird | 128.14.0-3.el8_10.alma.1 | ALSA-2025:14743 |
| AlmaLinux:9 | thunderbird | 128.14.0-3.el9_6.alma.1 | ALSA-2025:14640 |
| Debian:12 | firefox-esr | 128.14.0esr-1~deb12u1 | DEBIAN-CVE-2025-9179 |
| Debian:12 | firefox-esr | 128.14.0esr-1~deb12u1 | DSA-5980-1 |
| Debian:13 | firefox-esr | 128.14.0esr-1~deb13u1 | DSA-5980-1 |
| Debian:13 | firefox-esr | 128.14.0esr-1~deb13u1 | DEBIAN-CVE-2025-9179 |
| Debian:14 | firefox-esr | 128.14.0esr-1 | DEBIAN-CVE-2025-9179 |
| Debian:12 | thunderbird | 1:128.14.0esr-1~deb12u1 | DSA-5984-1 |
| Debian:12 | thunderbird | 1:128.14.0esr-1~deb12u1 | DEBIAN-CVE-2025-9179 |
| Debian:13 | thunderbird | 1:128.14.0esr-1~deb13u1 | DEBIAN-CVE-2025-9179 |
| Debian:13 | thunderbird | 1:128.14.0esr-1~deb13u1 | DSA-5984-1 |
| Debian:14 | thunderbird | 1:128.14.0esr-1 | DEBIAN-CVE-2025-9179 |
| Rocky Linux:10 | firefox | 0:128.14.0-2.el10_0 | RLSA-2025:14417 |
| Rocky Linux:8 | firefox | 0:128.14.0-2.el8_10 | RLSA-2025:14442 |
| Rocky Linux:9 | firefox | 0:128.14.0-2.el9_6 | RLSA-2025:14416 |
| Rocky Linux:10 | thunderbird | 0:128.14.0-3.el10_0 | RLSA-2025:14844 |
| Rocky Linux:8 | thunderbird | 0:128.14.0-3.el8_10 | RLSA-2025:14743 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-9179 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-9179 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2025-9179 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2025-9179 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2025-9179 |
| Ubuntu:22.04:LTS | thunderbird | 1:140.7.1+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2025-9179 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | see references |
| Mozilla | Thunderbird | see references |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1979527
- https://www.mozilla.org/security/advisories/mfsa2025-64/
- https://www.mozilla.org/security/advisories/mfsa2025-65/
- https://www.mozilla.org/security/advisories/mfsa2025-66/
- https://www.mozilla.org/security/advisories/mfsa2025-67/
- https://www.mozilla.org/security/advisories/mfsa2025-70/
- https://www.mozilla.org/security/advisories/mfsa2025-71/
- https://www.mozilla.org/security/advisories/mfsa2025-72/
- https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html
- https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html