What is CVE-2019-19313?

CVE-2019-19313 is a high-severity vulnerability in GitLab, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2020-01-05.

How severe is CVE-2019-19313?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in GitLab

CVE-2019-19313

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.

Published 2020-01-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (72.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

about.gitlab.com/blog/categories/releases/ (Release Notes)
gitlab.com/gitlab-org/gitlab/issues/14947 (Broken Link)
about.gitlab.com/blog/2019/11/27/security-release-gitlab-12-5-1-released/ (Vendor Advisory)

Frequently asked questions

What is CVE-2019-19313?: CVE-2019-19313 is a high-severity vulnerability in GitLab, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2020-01-05.
How severe is CVE-2019-19313?: High severity. CVSS v3 base score is 7.5 out of 10.