CVE-2020-12279: Debian Linux

Critical severity, CVSS 9.8. EPSS: 5.2% chance of exploitation in the next 30 days.

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.

Affected products

• Debian Debian Linux: version 9.0 only
• LIBGIT2 LIBGIT2: before 0.28.4 (fixed in 0.28.4)

Published 2020-04-27. Last modified 2026-06-17.