CVE-2019-19313

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-05 · updated 2026-06-17
Weakness: CWE-755

Description

GitLab EE 12.3 through 12.5, 12.4.3, and 12.3.6 allows Denial of Service. Certain characters were making it impossible to create, edit, or view issues and commits.

Affected products

GitLab: from 12.3.0 before 12.3.8; from 12.4.0 before 12.4.5; from 12.5.0 before 12.5.2 — fixed in 12.3.8, 12.4.5, 12.5.2

How to fix

Upgrade to a fixed version: GitLab 12.3.8, 12.4.5, 12.5.2. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/blog/2019/11/27/security-release-gitlab-12-5-1-released/
https://about.gitlab.com/blog/categories/releases/
https://gitlab.com/gitlab-org/gitlab/issues/14947
https://about.gitlab.com/blog/2019/11/27/security-release-gitlab-12-5-1-released/
https://about.gitlab.com/blog/categories/releases/
https://gitlab.com/gitlab-org/gitlab/issues/14947

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