vulnerability
Alma Linux: CVE-2021-38498: Important: thunderbird security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Nov 3, 2021 | May 4, 2022 | Mar 31, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 3, 2021
Added
May 4, 2022
Modified
Mar 31, 2026
Description
During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Solutions
alma-upgrade-firefoxalma-upgrade-thunderbird
Rapid7 Labs
2026 Global Threat Landscape Report
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