Debian/firefox-esr: high 7.3
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have
Action: Upgrade firefox-esr to 140.10.1esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.10.1esr-1~deb13u1 | - |
Fixed versions
| 140.10.1esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-7322#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-7322
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