CVE-2023-4912 | THREATINT

Description

An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.

PUBLISHED Reserved 2023-09-12 | Published 2023-12-01 | Updated 2026-04-30 | Assigner GitLab

LOW: 2.6CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

Default status

unaffected

10.5 (semver) before 16.4.3

affected

16.5 (semver) before 16.5.3

affected

16.6 (semver) before 16.6.1

affected

Credits

Thanks [toukakirishima](https://hackerone.com/toukakirishima) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/issues/424882 (GitLab Issue #424882) issue-tracking

hackerone.com/reports/2137421 (HackerOne Bug Bounty Report #2137421) technical-description exploit

gitlab.com/gitlab-org/gitlab/-/issues/424882 (GitLab Issue #424882) issue-tracking permissions-required

hackerone.com/reports/2137421 (HackerOne Bug Bounty Report #2137421) technical-description exploit permissions-required

cve.org (CVE-2023-4912)

nvd.nist.gov (CVE-2023-4912)

Download JSON