[ubuntu/jammy-security] avahi 0.8-5ubuntu5.4 (Accepted)

Hlib Korzhynskyy hlib.korzhynskyy at canonical.com
Mon Jan 19 12:07:15 UTC 2026


avahi (0.8-5ubuntu5.4) jammy-security; urgency=medium

  * SECURITY UPDATE: Denial of service when creating a record browser.
    - debian/patches/CVE-2025-68276.patch: Add AVAHI_LOOKUP_USE_WIDE_AREA and
      wide area use check in avahi-core/browse.c.
    - CVE-2025-68276
  * SECURITY UPDATE: Denial of service after CNAME expiration.
    - debian/patches/CVE-2025-68468.patch: Remove assert in
      avahi-core/browse.c.
    - CVE-2025-68468
  * SECURITY UPDATE: Denial of service on receiving CNAME resource records.
    - debian/patches/CVE-2025-68471.patch: Change assert to return on
      wide_area check in avahi-core/browse.c.
    - CVE-2025-68471

avahi (0.8-5ubuntu5.3) jammy; urgency=medium

  * Do not disable timeout cleanup on watch cleanup. This was causing timeouts
    to never be removed from the linked list that tracks them, resulting in both
    memory and CPU usage to grow larger over time. (LP: #1799265)
    - d/p/lp1799265-Do-not-disable-timeout-cleanup-on-watch-cleanup.patch

Date: 2026-01-16 20:41:11.727167+00:00
Changed-By: Hlib Korzhynskyy <hlib.korzhynskyy at canonical.com>
https://launchpad.net/ubuntu/+source/avahi/0.8-5ubuntu5.4
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