vulnerability
Arch Linux: Information disclosure (CVE-2021-29982)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Aug 17, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Aug 17, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in Firefox and Thunderbird before version 91. Due to incorrect JIT optimization, it incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-29982
- https://attackerkb.com/topics/CVE-2021-29982
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1715318
- URL-https://security.archlinux.org/ASA-202108-14
- URL-https://security.gentoo.org/glsa/202202-03
- URL-https://www.mozilla.org/security/advisories/mfsa2021-33/
- URL-https://www.mozilla.org/security/advisories/mfsa2021-36/
- CWE-772
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