AIKIDO-2026-270468
gitlab-ce is vulnerable to Buffer Overflow
85
High Risk
This Affects:
gitlab-ceTL;DR
Advanced Search indexing uses a Unicode conversion wrapper that can overflow when processing a specially crafted Git project export. An authenticated user who can import such an export can achieve remote code execution on the GitLab server. The fix bounds the Unicode conversion buffer so oversized export content cannot overflow it.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and Advanced Search indexing is enabled.
Background info
gitlab-ce is vulnerable to Buffer Overflow in versions 12.3.0 - 19.1.7, 19.2.0 - 19.2.5 and 19.3.0 - 19.3.1.
How to fix this
Upgrade the gitlab-ce library to the patch version.
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