CVE-2009-1086

Name	CVE-2009-1086
Description	Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.
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-1795-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ldns (PTS)	jessie	1.6.17-5	fixed
	stretch (security), stretch (lts), stretch	1.7.0-1+deb9u1	fixed
	buster	1.7.0-4	fixed
	bullseye	1.7.1-2	fixed
	trixie, bookworm	1.8.3-1	fixed
	sid	1.8.3-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ldns	source	lenny	1.4.0-1+lenny1		DSA-1795-1
ldns	source	(unstable)	1.5.1-1