CVE-2011-4096

NameCVE-2011-4096
DescriptionThe idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2381-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid3 (PTS)wheezy3.1.20-2.2+deb7u4fixed
wheezy (security)3.1.20-2.2+deb7u7fixed
jessie (security), jessie3.4.8-6+deb8u4fixed
buster, sid, stretch3.5.23-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squid3source(unstable)3.1.16-1medium
squid3sourcelenny(not affected)
squid3sourcesqueeze3.1.6-1.2+squeeze2mediumDSA-2381-1

Notes

[lenny] - squid3 <not-affected> (no IPv6 support)

Search for package or bug name: Reporting problems