vulnerability
Arch Linux: Denial of service (CVE-2021-39933)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:N/A:P) | Dec 13, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Dec 13, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
An issue has been discovered in GitLab before version 14.5.2. A regular expression used for handling user input (notes, comments, etc) was susceptible to catastrophic backtracking that could cause a denial of service attack.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-39933
- https://attackerkb.com/topics/CVE-2021-39933
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-26289
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39933.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/340449
- https://hackerone.com/reports/1320077
- https://security.archlinux.org/ASA-202112-10
- CWE-1333
- EUVD-EUVD-2021-26289
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