Debian/thunderbird: critical 9.8
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
Action: Upgrade thunderbird to 1:140.14.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.14.0esr-1~deb13u1 | - |
Fixed versions
| 1:140.14.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-74936#Debian:13/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-74936
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