Debian/firefox-esr: critical 9.6
Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 14
Action: Upgrade firefox-esr to 153.4.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 153.4.0esr-1~deb13u1 | - |
Fixed versions
| 153.4.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-100775#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-100775
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