Debian/thunderbird: high 8.1
Frame poisoning in the Layout component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Action: Upgrade thunderbird to 1:153.5.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:153.5.0esr-1 | - |
Fixed versions
| 1:153.5.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-109736#Debian:14/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-109736
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