[ubuntu/plucky-updates] bind9 1:9.20.11-0ubuntu0.2 (Accepted)

[Ubuntu Archive Robot]

bind9 (1:9.20.11-0ubuntu0.2) plucky-security; urgency=medium

  * SECURITY UPDATE: Resource exhaustion via malformed DNSKEY handling
    - debian/patches/CVE-2025-8677.patch: count invalid keys as validation
      failures in lib/dns/validator.c.
    - CVE-2025-8677
  * SECURITY UPDATE: Cache poisoning attacks with unsolicited RRs
    - debian/patches/CVE-2025-40778.patch: no longer accept DNAME records
      or extraneous NS records in the AUTHORITY section unless these are
      received via spoofing-resistant transport in doc/arm/reference.rst,
      lib/dns/include/dns/message.h, lib/dns/message.c, lib/dns/resolver.c.
    - CVE-2025-40778
  * SECURITY UPDATE: Cache poisoning due to weak PRNG
    - debian/patches/CVE-2025-40780.patch: change internal random generator
      to a cryptographically secure pseudo-random generator in
      configure.ac, lib/isc/Makefile.am, lib/isc/hash.c, lib/isc/hashmap.c,
      lib/isc/include/isc/nonce.h, lib/isc/include/isc/random.h,
      lib/isc/random.c, tests/isc/random_test.c.
    - CVE-2025-40780

Date: 2025-10-21 14:08:13.105970+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/bind9/1:9.20.11-0ubuntu0.2
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