CVE-2020-37127

Name	CVE-2020-37127
Description	Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcp_release process by sending a crafted input string longer than 16 characters.
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
dnsmasq (PTS)	bullseye	2.85-1	fixed
	bullseye (security)	2.85-1+deb11u1	fixed
	bookworm	2.90-4~deb12u1	fixed
	trixie	2.91-1	fixed
	forky, sid	2.92-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dnsmasq	source	(unstable)	2.80-1	unimportant

Notes

https://www.exploit-db.com/exploits/48301
Fixed by: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=2b38e3823b12ab13f86c3a44648de436daadb1f6 (v2.80test6)
Negligible security impact