CVE-2023-3364

7.5 highEPSS 44%

High (7.5) in gitlab gitlab. EPSS 44% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.

Severity

CVSS 3.1

7.5 high

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

EPSS: 44% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-1333
Published: 2023-08-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://gitlab.com/gitlab-org/gitlab/-/issues/415995
https://hackerone.com/reports/1959727
https://gitlab.com/gitlab-org/gitlab/-/issues/415995
https://hackerone.com/reports/1959727

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