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Debian Security Advisory DSA 3795-1 (bind9 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that a maliciously crafted query can cause ISC's BIND DNS server (named) to crash if both Response Policy Zones (RPZ) and DNS64 (a bridge between IPv4 and IPv6 networks) are enabled. It is uncommon for both of these options to be used in combination, so very few systems will be affected by this problem in practice. This update also corrects an additional regression caused by the fix for CVE-2016-8864, which was applied in a previous security update.
Affected Software
Affected Software
bind9 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 1:9.9.5.dfsg-9+deb8u10. For the testing (stretch) and unstable (sid) distributions, this problem has been fixed in version 1:9.10.3.dfsg.P4-12. We recommend that you upgrade your bind9 packages.