vulnerability

MFSA2025-18 Thunderbird: Security Vulnerabilities fixed in Thunderbird ESR 128.8 (CVE-2025-26695)

Severity
4
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:P)
Published
Mar 4, 2025
Added
Mar 11, 2025
Modified
May 10, 2026

Description

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Solution

mozilla-thunderbird-upgrade-128_8
Title
Rapid7 Labs

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