vulnerability
Arch Linux: Arbitrary code execution (CVE-2021-29966)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jun 24, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jun 24, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
Mozilla developers reported memory safety bugs present in Firefox 88. Some of these bugs showed evidence of memory corruption and Mozilla presumes that with enough effort some of these could have been exploited to run arbitrary code.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-29966
- https://attackerkb.com/topics/CVE-2021-29966
- URL-https://bugzilla.mozilla.org/buglist.cgi?bug_id=1660307%2C1686154%2C1702948%2C1708124
- URL-https://security.archlinux.org/ASA-202106-3
- URL-https://security.gentoo.org/glsa/202107-09
- URL-https://www.mozilla.org/security/advisories/mfsa2021-23/
- CWE-787
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