Debian/firefox-esr: critical 9.8
Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Action: Upgrade firefox-esr to 140.9.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.9.0esr-1 | - |
Fixed versions
| 140.9.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-4696#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-4696
published · modified · JSON