Vulnerability CVE-2023-3909


Published: 2023-11-06

Description:
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.

 References:
https://hackerone.com/reports/2050269
https://gitlab.com/gitlab-org/gitlab/-/issues/418763

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