Package "bind9-dnsutils"

  bind9 (1:9.20.11-1ubuntu2.1) questing-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

 -- Marc Deslauriers <email address hidden> Tue, 21 Oct 2025 07:57:20 -0400