CVE-2023-38712

Name	CVE-2023-38712
Description	An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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
libreswan (PTS)	buster, buster (security)	3.27-6+deb10u1	vulnerable
	bullseye	4.3-1+deb11u4	vulnerable
	bullseye (security)	4.3-1+deb11u3	vulnerable
	bookworm	4.10-2+deb12u1	vulnerable
	sid	4.14-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libreswan	source	(unstable)	4.12-1

https://libreswan.org/security/CVE-2023-38712/CVE-2023-38712.txt
https://libreswan.org/security/CVE-2023-38712/CVE-2023-38712.patch