CVE-2019-15722

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-16 · updated 2026-06-17
Weakness: CWE-770

Description

An issue was discovered in GitLab Community and Enterprise Edition 8.15 through 12.2.1. Particular mathematical expressions in GitLab Markdown can exhaust client resources.

Affected products

GitLab: from 8.15.0 before 12.0.8; from 12.1.0 before 12.1.8; from 12.2.0 before 12.2.3 — fixed in 12.0.8, 12.1.8, 12.2.3

How to fix

Upgrade to a fixed version: GitLab 12.0.8, 12.1.8, 12.2.3. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/61410
https://about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/61410

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