vulnerability

MFSA2021-36 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91 (CVE-2021-29980)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 17, 2021
Added
Sep 16, 2021
Modified
Jun 18, 2025

Description

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird

Solution

mozilla-thunderbird-upgrade-91_0
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.