CVE-2026-53585

libgit2 versions before 1.8.6 and 1.9.5 are vulnerable: git_delta_apply in src/libgit2/delta.c passes an attacker-controlled res_sz value to git__malloc before validating delta instructions, allowing a small multi-level OFS_DELTA chain to retain huge allocations and exhaust memory. Attack vectors...

EUVD-2026-63548

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, gitdeltaapply in src/libgit2/delta.c trusts the attacker-controlled ressz value parsed by hdrsz from...