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HIGH · 7.5

CVE-2023-3994

An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 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 Reg...

Vulnerability Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 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 ProjectReferenceFilter to the preview_markdown endpoint.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
GitlabGitlab>= 9.3, < 16.0.8

Related Weaknesses (CWE)

CWE-1333

References

FAQ

What is CVE-2023-3994?

CVE-2023-3994 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 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 Reg...

How severe is CVE-2023-3994?

CVE-2023-3994 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-3994?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.