CVE-2023-6489 | THREATINT

Description

A denial of service vulnerability was identified in GitLab CE/EE, versions 16.7.7 prior to 16.8.6, 16.9 prior to 16.9.4 and 16.10 prior to 16.10.2 which allows an attacker to spike the GitLab instance resources usage resulting in service degradation via chat integration feature.

PUBLISHED Reserved 2023-12-04 | Published 2024-04-12 | Updated 2025-11-20 | Assigner GitLab

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-1333: Inefficient Regular Expression Complexity

Product status

Default status

unaffected

16.7.7 (semver) before 16.8.6

affected

16.9 (semver) before 16.9.4

affected

16.10 (semver) before 16.10.2

affected

Credits

Thanks `Anonymizer` for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/issues/433520 (GitLab Issue #433520) issue-tracking permissions-required

hackerone.com/reports/2262450 (HackerOne Bug Bounty Report #2262450) technical-description exploit

gitlab.com/gitlab-org/gitlab/-/issues/433520 (GitLab Issue #433520) issue-tracking permissions-required

hackerone.com/reports/2262450 (HackerOne Bug Bounty Report #2262450) technical-description exploit permissions-required

cve.org (CVE-2023-6489)

nvd.nist.gov (CVE-2023-6489)

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