Debian/thunderbird: high 7.3
Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Action: Upgrade thunderbird to 1:140.3.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.3.0esr-1 | - |
Fixed versions
| 1:140.3.0esr-1 |
Sources
- osv: DEBIAN-CVE-2025-10528#Debian:14/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2025-10528
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