Debian/thunderbird: unknown
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Action: Upgrade thunderbird to 1:153.6.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:153.6.0esr-1~deb13u1 | - |
Fixed versions
| 1:153.6.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-117928#Debian:13/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-117928
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