CVE-2026-42535

Name	CVE-2026-42535
Description	A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue.
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)
Debian Bugs	1139340

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	bullseye	2.4.62-1~deb11u1	vulnerable
	bullseye (security)	2.4.67-1~deb11u2	vulnerable
	bookworm	2.4.67-1~deb12u2	vulnerable
	bookworm (security)	2.4.67-1~deb12u3	vulnerable
	trixie	2.4.67-1~deb13u2	vulnerable
	trixie (security)	2.4.67-1~deb13u3	vulnerable
	forky	2.4.67-1	vulnerable
	sid	2.4.67-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apache2	source	(unstable)	(unfixed)			1139340

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-42535