Debian LTS: DLA-1025-2: bind9 regression update
Summary
The fix for CVE-2017-3142 broke verification of TSIG signed TCP message
sequences where not all the messages contain TSIG records.
This is conform to the spec and may be used in AXFR and IXFR response.
For Debian 7 "Wheezy", these problems have been fixed in version
1:9.8.4.dfsg.P1-6+nmu2+deb7u18.
We recommend that you upgrade your bind9 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS