CVE-2019-15584 Denial of service in GitLab CE/EE
An attacker can cause a denial of service by bypassing input validation in markdown fields, affecting GitLab instances.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15584?
CVE-2019-15584 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 20 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A denial of service exists in gitlab <v12.3.2, <v12.2.6, and <v12.1.10 that would let an attacker bypass input validation in markdown fields take down the affected page.
Weakness: CWE-400
Which versions are affected by CVE-2019-15584?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2019-15584?
No fix has been published for CVE-2019-15584 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-15584 being exploited?
There is no known exploitation of CVE-2019-15584 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-3rm3-2566-pgwv.