CVE-2026-13698

Name	CVE-2026-13698
Description	A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
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)
References	DLA-4666-1, DSA-6376-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openvpn (PTS)	bookworm, bookworm (security)	2.6.14-0+deb12u2	fixed
	trixie (security), trixie	2.6.14-1+deb13u3	fixed
	forky, sid	2.7.5-1	fixed

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

Package	Type	Release	Fixed Version	Origin
openvpn	source	bookworm	2.6.14-0+deb12u2	DLA-4666-1
openvpn	source	trixie	2.6.14-1+deb13u3	DSA-6376-1
openvpn	source	(unstable)	2.7.5-1

Fixed by: https://github.com/OpenVPN/openvpn/commit/b005e4709ce1afbee7c571788cffd915280d646e (v2.7.5)