CVE-2026-84471

Name	CVE-2026-84471
Description	The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.
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
openvpn (PTS)	bookworm, bookworm (security)	2.6.14-0+deb12u2	vulnerable
	trixie (security), trixie	2.6.14-1+deb13u3	vulnerable
	forky, sid	2.7.8-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openvpn	source	(unstable)	2.7.7-1

Fixed by: https://github.com/OpenVPN/openvpn/commit/c52f940196444668284eb06ec0cf08a8bc3cd36b (v2.7.7)