vulnerability
Arch Linux: Arbitrary code execution (CVE-2020-26960)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Dec 9, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Dec 9, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in Firefox before 83.0 where, if the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-26960
- https://attackerkb.com/topics/CVE-2020-26960
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1670358
- URL-https://security.archlinux.org/ASA-202011-12
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/
- URL-https://www.mozilla.org/security/advisories/mfsa2020-50/
- URL-https://www.mozilla.org/security/advisories/mfsa2020-51/
- URL-https://www.mozilla.org/security/advisories/mfsa2020-52/
- CWE-416
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