CRITICALCVE-2026-4725Published Modified CNA mozilla
CVE-2026-4725: Sandbox escape due to use-after-free in the Graphics: Canvas2D component
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
Metrics
- CVSS v3.1
- 9.3
- Severity
- CRITICAL
- Fixed in
- 149
- Affected Products
- 2
Fix available
149
Affected packages
- Mozilla / FirefoxFixed in 149
- Mozilla / ThunderbirdFixed in 149
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N