CVE-2026-114095

NameCVE-2026-114095
DescriptionDulwich before 1.2.9 contains a denial of service vulnerability in Pack.resolve_object that allows attackers to cause infinite recursion via self-referential OFS_DELTA objects. Attackers can supply a malicious packfile with an OFS_DELTA delta_offset of 0 to exhaust CPU during clone, fetch, or cat-file operations.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dulwich (PTS)bookworm0.21.2-1vulnerable
trixie0.22.7-1vulnerable
forky, sid1.2.17-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dulwichsource(unstable)1.2.11-1

Notes

https://github.com/jelmer/dulwich/security/advisories/GHSA-35mr-4567-66vg

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