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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2381-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid3 (PTS)jessie, jessie (lts)3.5.23-5+deb8u7fixed
stretch (security)3.5.23-5+deb9u7fixed
stretch (lts), stretch3.5.23-5+deb9u10fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squid3sourcelenny(not affected)
squid3sourcesqueeze3.1.6-1.2+squeeze2DSA-2381-1
squid3source(unstable)3.1.16-1

Notes

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

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