CVE-2025-12983 | GitLab Community Edition/Enterprise Edition up to 18.3.5/18.4.3/18.5.1 Markdown memory allocation (Patch 296257)

A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 18.3.5/18.4.3/18.5.1. This affects an unknown function of the component Markdown Handler. Performing manipulation results in uncontrolled memory allocation.

This vulnerability is identified as CVE-2025-12983. The attack can be initiated remotely. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More