CVE-2009-1755

Name	CVE-2009-1755
Description	Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1803-1
Debian Bugs	529418, 529420

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nsd (PTS)	jessie	4.1.0-3	fixed
	stretch	4.1.14-1	fixed
	buster	4.1.26-1	fixed
	bullseye	4.3.5-1	fixed
	bookworm	4.6.1-1	fixed
	sid, trixie	4.11.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
nsd	source	etch	2.3.6-1+etch1		DSA-1803-1
nsd	source	lenny	2.3.7-1.1+lenny1		DSA-1803-1
nsd	source	(unstable)	2.3.7-3	medium		529420
nsd3	source	lenny	3.0.7-3.lenny2		DSA-1803-1
nsd3	source	(unstable)	3.2.2-1	medium		529418

VU#710316