CVEvulnerability
CVE-2021-39940
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-12-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-1333
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab Maven Package registry is vulnerable to a regular expression denial of service when a specifically crafted string is sent.
Affected configurations
• gitlab gitlab (>= 13.2.0 < 14.3.6)
• gitlab gitlab (>= 14.4.0 < 14.4.4)
• gitlab gitlab (>= 14.5.0 < 14.5.2)
Related
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39940.json Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/263116 Broken Link
- https://hackerone.com/reports/997961 Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39940.json Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/263116 Broken Link
- https://hackerone.com/reports/997961 Permissions Required, Third Party Advisory