BIT-gitlab-2025-12983

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2025-12983.json
JSON Data
https://api.test.osv.dev/v1/vulns/BIT-gitlab-2025-12983
Aliases
Published
2025-11-20T09:03:27.972Z
Modified
2025-11-21T09:08:12.717257Z
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
{
    "severity": "Medium",
    "cpes": [
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
    ]
}
References

Affected packages

Bitnami / gitlab

Package

Name
gitlab
Purl
pkg:bitnami/gitlab

Severity

  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Affected ranges

Type
SEMVER
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