Debian/firefox-esr: high 8.8
Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
Action: Upgrade firefox-esr to 140.8.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.8.0esr-1 | - |
Fixed versions
| 140.8.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-2447#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-2447
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