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.
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v