CVE-2022-44793

Name	CVE-2022-44793
Description	handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in 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-3270-1
Debian Bugs	1024020

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
net-snmp (PTS)	bullseye (security), bullseye	5.9+dfsg-4+deb11u1	vulnerable
	bookworm	5.9.3+dfsg-2	fixed
	forky, sid, trixie	5.9.4+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
net-snmp	source	buster	5.7.3+dfsg-5+deb10u4		DLA-3270-1
net-snmp	source	(unstable)	5.9.3+dfsg-2			1024020

Notes

[bullseye] - net-snmp <no-dsa> (Minor issue)
https://github.com/net-snmp/net-snmp/issues/475
https://gist.github.com/menglong2234/d07a65b5028145c9f4e1d1db8c4c202f
https://github.com/net-snmp/net-snmp/commit/be804106fd0771a7d05236cff36e199af077af57