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CVE-2023-2198

HIGHCVSS 7.5/10EPSS 1.32%

Last modified

CVE-2023-2198 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.32%

67.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GitlabGitlab>= 8.7.0, < 15.10.8
GitlabGitlab>= 15.11.0, < 15.11.7
GitlabGitlab>= 16.0.0, < 16.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-2198?
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
How severe is CVE-2023-2198?
CVE-2023-2198 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2198?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST