[ubuntu/xenial-security] bind9 1:9.10.3.dfsg.P4-8ubuntu1.19 (Accepted)

[Marc Deslauriers]

bind9 (1:9.10.3.dfsg.P4-8ubuntu1.19) xenial-security; urgency=medium

  * SECURITY UPDATE: DoS via broken inbound incremental zone update (IXFR)
    - debian/patches/CVE-2021-25214.patch: immediately reject the entire
      transfer for certain RR in lib/dns/xfrin.c.
    - CVE-2021-25214
  * SECURITY UPDATE: assert via answering certain queries for DNAME records
    - debian/patches/CVE-2021-25215.patch: fix assert checks in
      lib/ns/query.c.
    - CVE-2021-25215
  * SECURITY UPDATE: overflow in BIND's GSSAPI security policy negotiation
    - debian/rules: build with --disable-isc-spnego to disable internal
      SPNEGO and use the one from the kerberos libraries.
    - CVE-2021-25216

Date: 2021-04-27 12:42:09.601120+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.19
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