CVE-2006-4251

NameCVE-2006-4251
DescriptionBuffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1211
Debian Bugs398557

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pdns (PTS)jessie, jessie (lts)3.4.1-4+deb8u10fixed
stretch (security), stretch (lts), stretch4.0.3-1+deb9u5fixed
buster4.1.6-3+deb10u1fixed
bullseye4.4.1-1fixed
bookworm4.7.3-2fixed
sid, trixie4.9.3-1fixed
pdns-recursor (PTS)jessie, jessie (lts)3.6.2-2+deb8u4fixed
buster (security), buster, buster (lts)4.1.11-1+deb10u2fixed
bullseye4.4.2-3fixed
bookworm (security), bookworm4.8.8-1fixed
sid, trixie5.1.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pdnssourcesarge2.9.17-13sarge3DSA-1211
pdnssource(unstable)2.9.20-4
pdns-recursorsource(unstable)3.1.4-1high398557

Notes

Recursor module has been moved to pdns-recursor

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