CVE-2009-1086

NameCVE-2009-1086
DescriptionHeap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1795-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ldns (PTS)wheezy1.6.13-1+deb7u1fixed
wheezy (security)1.6.13-1+deb7u2fixed
jessie1.6.17-5fixed
stretch1.7.0-1fixed
buster, sid1.7.0-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ldnssource(unstable)1.5.1-1medium
ldnssourcelenny1.4.0-1+lenny1mediumDSA-1795-1

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