[ubuntu/resolute-security] dnsmasq 2.92-1ubuntu0.2 (Accepted)

[Hlib Korzhynskyy]

dnsmasq (2.92-1ubuntu0.2) resolute-security; urgency=medium

  * SECURITY UPDATE: Heap buffer overflow on malicious caches in DNS
    forwarding.
    - debian/patches/CVE-2026-2291.patch: Expand char name size in
      src/dnsmasq.h.
    - CVE-2026-2291
  * SECURITY UPDATE: NSEC bitmap parsing infinite loop
    - debian/patches/CVE-2026-4890.patch: Correct erroneous iteration index
      in src/dnssec.c
    - CVE-2026-4890
  * SECURITY UPDATE: Unbounded length field in RRSIG packets.
    - debian/patches/CVE-2026-4891.patch: Validate rdlen in src/dnssec.c
    - CVE-2026-4891
  * SECURITY UPDATE: Buffer overflow in create_helper
    - debian/patches/CVE-2026-4892.patch: Add upper bound to for loop in
      src/helper.c
    - CVE-2026-4892
  * SECURITY UPDATE: Erroneous client subnet validation
    - debian/patches/CVE-2026-4893.patch: Fixed length passed to check_source
      in src/forward.c
    - CVE-2026-4893
  * SECURITY UPDATE: Buffer overflow in extract_addresses.
    - debian/patches/CVE-2026-5172.patch: Check index after extracting name
      in src/rfc1035.c
    - CVE-2026-5172

Date: 2026-05-05 20:41:39.618962+00:00
Changed-By: Kyle Kernick <kyle.kernick at canonical.com>
Signed-By: Hlib Korzhynskyy <hlib.korzhynskyy at canonical.com>
https://launchpad.net/ubuntu/+source/dnsmasq/2.92-1ubuntu0.2
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