vulnerability

MFSA2025-18 Thunderbird: Security Vulnerabilities fixed in Thunderbird ESR 128.8 (CVE-2025-1931)

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Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Mar 4, 2025
Added
Mar 5, 2025
Modified
Dec 11, 2025

Description

It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

Solution

mozilla-thunderbird-upgrade-128_8

References

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