DescriptionA vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs948373

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dnsmasq (PTS)buster, buster (security)2.80-1+deb10u1vulnerable
bookworm, sid2.86-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - dnsmasq <no-dsa> (Minor issue)
[stretch] - dnsmasq <no-dsa> (Minor issue)
[jessie] - dnsmasq <no-dsa> (Minor issue);a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5

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