Debian/thunderbird: high 7.3
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Action: Upgrade thunderbird to 1:140.11.0esr-1~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.11.0esr-1~deb12u1 | - |
Fixed versions
| 1:140.11.0esr-1~deb12u1 |
Sources
- osv: DEBIAN-CVE-2026-8947#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-8947
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