Advisory Published
Updated

CVE-2020-26414

First published: Fri Jan 15 2021(Updated: )

An issue has been discovered in GitLab affecting all versions starting from 12.4. The regex used for package names is written in a way that makes execution time have quadratic growth based on the length of the malicious input string.

Credit: cve@gitlab.com

Affected SoftwareAffected VersionHow to fix
GitLab>=12.4.0<13.5.6
GitLab>=12.4.0<13.5.6
GitLab>=13.6.0<13.6.4
GitLab>=13.6.0<13.6.4
GitLab>=13.7.0<13.7.2
GitLab>=13.7.0<13.7.2

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Frequently Asked Questions

  • What is the severity of CVE-2020-26414?

    CVE-2020-26414 is considered to have a medium severity due to its potential for Denial of Service when processing specially crafted input.

  • How do I fix CVE-2020-26414?

    To fix CVE-2020-26414, it is recommended to upgrade GitLab to version 13.5.6 or later, or versions 13.6.4 and above.

  • Which versions of GitLab are affected by CVE-2020-26414?

    CVE-2020-26414 affects all GitLab versions starting from 12.4.0 up to 13.5.6 and versions from 13.6.0 up to 13.6.4.

  • What type of vulnerability is CVE-2020-26414?

    CVE-2020-26414 is a Regular Expression Denial of Service (ReDoS) vulnerability.

  • Is CVE-2020-26414 easy to exploit?

    Exploiting CVE-2020-26414 requires an attacker to craft a malicious input string that specifically targets the regex implementation.

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