Debian/firefox-esr: high 8.8
Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderb
Action: Upgrade firefox-esr to 140.15.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.15.0esr-1~deb13u1 | - |
Fixed versions
| 140.15.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-84131#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-84131
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