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Ubuntu Security NoticesUSN-8809-1

USN-8809-1: libgit2 vulnerability

Severity not listed 0 CVEs Published Sep 23, 2026 at 6:29 PM UTC

Summary

Kazuma Matsumoto and Isabel Mill discovered that libgit2 incorrectly handled certain repository URLs when using the SSH transport. A remote attacker could possibly use this issue to execute arbitrary commands.

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 0

No CVE identifiers were listed in the collected bulletin.

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

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