Sandbox escape due to invalid pointer in the Audio/Video: GMP component
Summary
| CVE | CVE-2025-9179 |
|---|---|
| State | PUBLISHED |
| Assigner | mozilla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-08-19 21:15:30 UTC |
| Updated | 2026-04-13 15:17:13 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-119 | CWE-119 CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Mozilla | Firefox | unaffected 115.27 115.* rpm | Not specified |
| CNA | Mozilla | Firefox | unaffected 128.14 128.* rpm | Not specified |
| CNA | Mozilla | Firefox | unaffected 140.2 140.* rpm | Not specified |
| CNA | Mozilla | Firefox | unaffected 142 * rpm | Not specified |
| CNA | Mozilla | Thunderbird | unaffected 128.14 128.* rpm | Not specified |
| CNA | Mozilla | Thunderbird | unaffected 140.2 140.* rpm | Not specified |
| CNA | Mozilla | Thunderbird | unaffected 142 * rpm | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| bugzilla.mozilla.org/show_bug.cgi | [email protected] | bugzilla.mozilla.org | Issue Tracking, Permissions Required |
| lists.debian.org/debian-lts-announce/2025/08/msg00018.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| www.mozilla.org/security/advisories/mfsa2025-67 | [email protected] | www.mozilla.org | Vendor Advisory |
| www.mozilla.org/security/advisories/mfsa2025-66 | [email protected] | www.mozilla.org | Vendor Advisory |
| www.mozilla.org/security/advisories/mfsa2025-65 | [email protected] | www.mozilla.org | Vendor Advisory |
| www.mozilla.org/security/advisories/mfsa2025-64 | [email protected] | www.mozilla.org | Vendor Advisory |
| lists.debian.org/debian-lts-announce/2025/08/msg00016.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| www.mozilla.org/security/advisories/mfsa2025-71 | [email protected] | www.mozilla.org | Vendor Advisory |
| www.mozilla.org/security/advisories/mfsa2025-70 | [email protected] | www.mozilla.org | Vendor Advisory |
| www.mozilla.org/security/advisories/mfsa2025-72 | [email protected] | www.mozilla.org | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Oskar (en)
There are currently no legacy QID mappings associated with this CVE.