CVE-2025-12983
- Source
- https://cve.org/CVERecord?id=CVE-2025-12983
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12983.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-12983
- Aliases
- Downstream
- Related
- Published
- 2025-11-15T08:13:32.098Z
- Modified
- 2026-08-21T11:48:50.293753633Z
- Severity
-
- 3.5 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L CVSS Calculator
- Summary
- Memory Allocation with Excessive Size Value in GitLab
- Details
-
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.
- Database specific
{ "cna_assigner": "GitLab", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12983.json", "cwe_ids": [ "CWE-789" ] }- References
-
- https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12983.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-12983
- https://gitlab.com/gitlab-org/gitlab/-/issues/296257
- https://hackerone.com/reports/3419588
- git://git@gitlab.com:gitlab-org/gitlab.git
Affected packages
Git / gitlab.com/gitlab-org/gitlab
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.com/gitlab-org/gitlab
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "introduced": "16.9.0" }, { "fixed": "18.3.6" }, { "introduced": "18.4.0" }, { "fixed": "18.4.4" }, { "introduced": "18.5.0" }, { "fixed": "18.5.2" } ], "source": "CPE_RANGE", "cpe": [ "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*" ] }