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Debian Security Advisory DSA-3904-2 security@debian.org
https://www.debian.org/security/ Yves-Alexis Perez
July 23, 2017 https://www.debian.org/security/faq
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Package : bind9
Debian Bug : 868952

The security update announced as DSA-3904-1 in bind9 introduced a regression.
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 the oldstable distribution (jessie), this problem has been fixed
in version 1:9.9.5.dfsg-9+deb8u13.

For the stable distribution (stretch), this problem has been fixed in
version 1:9.10.3.dfsg.P4-12.3+deb9u2.

For the testing distribution (buster), this problem has been fixed
in version 1:9.10.3.dfsg.P4-12.5.

For the unstable distribution (sid), this problem has been fixed in
version 1:9.10.3.dfsg.P4-12.5.

We recommend that you upgrade your bind9 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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