Debian/thunderbird: critical 9.8
A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.1
Action: Upgrade thunderbird to 1:128.12.0esr-1~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:128.12.0esr-1~deb12u1 | - |
Fixed versions
| 1:128.12.0esr-1~deb12u1 |
Sources
- osv: DEBIAN-CVE-2025-6424#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2025-6424
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