CVE-2009-2957

Name	CVE-2009-2957
Description	Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.
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-1876-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dnsmasq (PTS)	jessie, jessie (lts)	2.72-3+deb8u7	fixed
	stretch (security)	2.76-5+deb9u3	fixed
	stretch (lts), stretch	2.76-5+deb9u4	fixed
	buster, buster (lts)	2.80-1+deb10u3	fixed
	buster (security)	2.80-1+deb10u1	fixed
	bullseye	2.85-1	fixed
	bullseye (security)	2.85-1+deb11u1	fixed
	bookworm	2.89-1	fixed
	sid, trixie	2.90-7	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dnsmasq	source	etch	(not affected)
dnsmasq	source	lenny	2.45-1+lenny1		DSA-1876-1
dnsmasq	source	(unstable)	2.50-1