[ubuntu/focal-security] bind9 1:9.16.1-0ubuntu2.8 (Accepted)

[Marc Deslauriers]

bind9 (1:9.16.1-0ubuntu2.8) focal-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

bind9 (1:9.16.1-0ubuntu2.7) focal; urgency=medium

  * Fix a race between deactivating socket handle and processing
    async callbacks, which can lead to sockets not being closed
    properly, exhausting TCP connection limits. (LP: #1909950) 
    - d/p/lp-1909950-fix-race-between-deactivating-handle-async-callback.patch

Date: 2021-04-27 12:16:09.662769+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/bind9/1:9.16.1-0ubuntu2.8
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