CVE-2009-2958

NameCVE-2009-2958
DescriptionThe tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a TFTP read (aka RRQ) request with a malformed blksize option.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1876-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dnsmasq (PTS)jessie, jessie (lts)2.72-3+deb8u7fixed
stretch (security)2.76-5+deb9u3fixed
stretch (lts), stretch2.76-5+deb9u4fixed
buster, buster (lts)2.80-1+deb10u3fixed
buster (security)2.80-1+deb10u1fixed
bullseye2.85-1fixed
bullseye (security)2.85-1+deb11u1fixed
bookworm2.89-1fixed
sid, trixie2.90-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dnsmasqsourceetch(not affected)
dnsmasqsourcelenny2.45-1+lenny1DSA-1876-1
dnsmasqsource(unstable)2.50-1
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