CVE-2019-14513

NameCVE-2019-14513
DescriptionImproper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1921-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dnsmasq (PTS)jessie2.72-3+deb8u2vulnerable
jessie (security)2.72-3+deb8u5fixed
stretch2.76-5+deb9u2fixed
stretch (security)2.76-5+deb9u1fixed
bullseye, sid, buster2.80-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dnsmasqsource(unstable)2.76-1medium
dnsmasqsourcejessie2.72-3+deb8u5mediumDLA-1921-1

Notes

https://github.com/Slovejoy/dnsmasq-pre2.76
Find the relevant isolated changes in the 2.76 release to address the issue.

Search for package or bug name: Reporting problems