Debian/firefox-esr: critical 9.8
Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that
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-2026-2793#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-2793
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