Debian/thunderbird: high 8.1

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Action: No fix published. Pin and monitor.

Affected

introduced	fixed	last affected
0	-	-

Fixed versions

No fixed version in the source.

Sources

osv: DEBIAN-CVE-2026-109759#Debian:13/thunderbird
https://security-tracker.debian.org/tracker/CVE-2026-109759

published 2026-10-13T13:17:26.740Z · modified 2026-10-23T18:05:31.794519400Z · JSON