vulnerability

Alma Linux: CVE-2021-29988: Important: thunderbird security update (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 17, 2021
Added
May 4, 2022
Modified
Aug 11, 2025

Description

Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Solutions

alma-upgrade-firefoxalma-upgrade-thunderbird
Title
NEW

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