CVE-2022-1100

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-04 · updated 2026-06-17
Weakness: CWE-772

Description

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions from 13.1 prior to 14.7.7, 14.8.0 prior to 14.8.5, and 14.9.0 prior to 14.9.2. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

Affected products

GitLab: from 13.1.0 before 14.7.7; from 14.8.0 before 14.8.5; from 14.9.0 before 14.9.2 — fixed in 14.7.7, 14.8.5, 14.9.2

How to fix

Upgrade to a fixed version: GitLab 14.7.7, 14.8.5, 14.9.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1100.json
https://gitlab.com/gitlab-org/gitlab/-/issues/273771
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1100.json
https://gitlab.com/gitlab-org/gitlab/-/issues/273771

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