[ubuntu/jammy-security] unbound 1.13.1-1ubuntu5.15 (Accepted)

[Marc Deslauriers]

unbound (1.13.1-1ubuntu5.15) jammy-security; urgency=medium

  * SECURITY UPDATE: Packet of death with DNSCrypt (feasibility very low)
    - debian/patches/CVE-2026-32792.patch: validate len in
      dnscrypt/dnscrypt.c.
    - CVE-2026-32792
  * SECURITY UPDATE: Parsing a long list of incoming EDNS options degrades
    performance
    - debian/patches/CVE-2026-41292.patch: limit parsed edns options in
      util/data/msgparse.c.
    - CVE-2026-41292
  * SECURITY UPDATE: Jostle logic bypass degrades resolution performance
    - debian/patches/CVE-2026-42534.patch: properly handle jostle aging in
      services/mesh.c, services/mesh.h.
    - CVE-2026-42534
  * SECURITY UPDATE: Degradation of service with unbounded NSEC3 hash
    calculations
    - debian/patches/CVE-2026-42923.patch: limit salt length in
      validator/val_neg.c, validator/val_nsec3.c, validator/val_nsec3.h.
    - CVE-2026-42923
  * SECURITY UPDATE: Crash during DNSSEC validation of malicious content
    - debian/patches/CVE-2026-42959.patch: fix calculations in
      validator/val_utils.c.
    - CVE-2026-42959
  * SECURITY UPDATE: Possible cache poisoning attack while following
    delegation
    - debian/patches/CVE-2026-42960.patch: only mark glue as allowed for
      type NS in the authority section in iterator/iter_scrub.c.
    - CVE-2026-42960
  * SECURITY UPDATE: Unbounded name compression in certain cases causes
    degradation of service
    - debian/patches/CVE-2026-44390.patch: fix counting in
      util/data/msgencode.c.
    - CVE-2026-44390

Date: 2026-05-19 13:00:10.814789+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/unbound/1.13.1-1ubuntu5.15
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