Debian/thunderbird: critical 9.8
Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we p
Action: Upgrade thunderbird to 1:140.15.0esr-1~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.15.0esr-1~deb12u1 | - |
Fixed versions
| 1:140.15.0esr-1~deb12u1 |
Sources
- osv: DEBIAN-CVE-2026-84143#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-84143
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