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CVE-2023-3364 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://gitlab.com/gitlab-org/gitlab/-/issues/415995	CVE	Broken Link
https://hackerone.com/reports/1959727	CVE	Permissions Required
https://gitlab.com/gitlab-org/gitlab/-/issues/415995	[email protected]	Broken Link
https://hackerone.com/reports/1959727	[email protected]	Permissions Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1333	Inefficient Regular Expression Complexity	[email protected]
CWE-1333	Inefficient Regular Expression Complexity	[email protected]

Affected Products

Product	Versions
gitlab gitlab	>= 8.14, < 16.0.8 >= 16.1, < 16.1.3 >= 16.2, < 16.2.2
CPE cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:::::enterprise:::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
Oct 3, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Aug 4, 2023	Initial Analysis	[email protected]