CVE-2026-114094

Name	CVE-2026-114094
Description	Dulwich before 1.2.9 fails to validate DOS drive letter prefixes in Git tree path elements on Windows, allowing arbitrary file write. Attackers can craft a malicious repository with a tree entry named 'C:' that bypasses NTFS validation and writes files outside the worktree to achieve remote code execution.
Source	CVE (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 Package	Release	Version	Status
dulwich (PTS)	bookworm	0.21.2-1	fixed
	trixie	0.22.7-1	fixed
	forky, sid	1.2.17-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dulwich	source	(unstable)	(not affected)

- dulwich <not-affected> (Windows-specific)
https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf