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Vulnerabilities / CVE-2025-11719

critical

CVE-2025-11719

thunderbird: firefox: Use-after-free caused by the native messaging web extension API on Windows

Published Modified CWE 416
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium).

Description

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

Affected packages and fixed versions

SourcePackageFixed in
chainguardfirefox144.0-r0
rapidfort alpine 3.20thunderbird145.0-r0
rapidfort alpine 3.21thunderbird145.0-r0
rapidfort alpine 3.22thunderbird145.0-r0
rapidfort alpine 3.23thunderbird145.0-r0
rapidfort alpine 3.24thunderbird145.0-r0
rapidfort fedora 43firefox, firefox-langpacks, thunderbird and 1 more144.0.2-1.fc43 and 1 more
wolfifirefox144.0-r0
Show all 11 entries from 8 sources
SourcePackageFixed in
chainguardfirefox144.0-r0
rapidfort alpine 3.20thunderbird145.0-r0
rapidfort alpine 3.21thunderbird145.0-r0
rapidfort alpine 3.22thunderbird145.0-r0
rapidfort alpine 3.23thunderbird145.0-r0
rapidfort alpine 3.24thunderbird145.0-r0
rapidfort fedora 43firefox144.0.2-1.fc43
rapidfort fedora 43firefox-langpacks144.0.2-1.fc43
rapidfort fedora 43thunderbird145.0-1.fc43
rapidfort fedora 43thunderbird-librnp-rnp145.0-1.fc43
wolfifirefox144.0-r0

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.