Debian/firefox-esr: high 8.8
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1
Action: Upgrade firefox-esr to 140.14.0esr-2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.14.0esr-2 | - |
Fixed versions
| 140.14.0esr-2 |
Sources
- osv: DEBIAN-CVE-2026-74946#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-74946
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