vulnerability

Debian: CVE-2021-29945: firefox-esr, thunderbird -- security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Apr 23, 2021
Added
Apr 23, 2021
Modified
Aug 15, 2025

Description

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solutions

debian-upgrade-firefox-esrdebian-upgrade-thunderbird
Title
NEW

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