Descriptiontelnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service (server crash) via unknown vectors that trigger a null dereference.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
heimdal (PTS)wheezy1.6~git20120403+dfsg1-2fixed
wheezy (security)1.6~git20120403+dfsg1-2+deb7u1fixed
jessie (security), jessie1.6~rc2+dfsg-9+deb8u1fixed
stretch (security), stretch7.1.0+dfsg-13+deb9u1fixed
buster, sid7.4.0.dfsg.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
heimdalsourcewoody(not affected)DSA-977-1

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