GitLab ExifTool Processing Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in GitLab Community Edition (CE) and Enterprise Edition (EE) versions 11.10 prior to 18.4.6, 18.5 prior to 18.5.4, and 18.6 prior to 18.6.2. This vulnerability allows an authenticated user to cause a denial-of-service condition by uploading specially crafted images, which disrupts normal service operations.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing disruptions in service availability.

Remediation

Users are advised to upgrade to GitLab versions 18.6.2, 18.5.4, or 18.4.6. Instructions for updating GitLab can be found on the GitLab Update page. This patch includes database migrations that may impact the upgrade process, causing downtime for single-node instances.