CVE-2026-87819

A flaw was found in GitPython. A remote attacker could exploit a regular expression denial of service ReDoS vulnerability by crafting a malicious commit object. Specifically, a malformed author field containing an unterminated angle bracket can cause excessive processing, leading to the exhaustio...

CVE-2026-44309

Gitsign is a keyless Sigstore to signing tool for Git commits with your a GitHub / OIDC identity. Prior to 0.16.0, gitsign verify and gitsign verify-tag re-encode commit/tag objects through go-git's EncodeWithoutSignature before checking the signature, instead of verifying against the raw git...

Libgit2 -- multiple vulnerabilities

The Git community reports: A carefully constructed commit object with a very large number of parents may lead to potential out-of-bounds writes or potential denial of service. The ProgramData configuration file is always read for compatibility with Git for Windows and Portable Git installations...