VulnerabilityModified
CVE-2025-14322
This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
HIGH 8.0EPSS 0.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
- CVSS 3.1
- 8.0 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-754
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1996473Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-92/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-93/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-94/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-95/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-96/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.