|Description||An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)|
Vulnerable and fixed packages
The table below lists information on source packages.
|pdns-recursor (PTS)||buster, buster (security)||4.1.11-1+deb10u1||fixed|
The information below is based on the following data on fixed versions.
[jessie] - pdns-recursor <not-affected> (Vulnerable code introduced in 4.0.0)
[wheezy] - pdns-recursor <not-affected> (Vulnerable code introduced in 4.0.0)