mdns dns sd

  1. CVE-2026-34933: Avahi mDNS/DNS-SD Local DoS via D-Bus Reachable Assertion

    CVE-2026-34933 is another reminder that availability bugs in mDNS/DNS-SD infrastructure can be just as operationally painful as memory corruption in more glamorous code paths. In Avahi, a single local D-Bus method call with conflicting publish flags can trip a reachable assertion in...
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  2. CVE-2025-59529 Avahi mDNS DoS via UNIX socket (local attack)

    A newly disclosed vulnerability in the Avahi mDNS/DNS‑SD implementation — tracked as CVE-2025-59529 — allows unprivileged local users to easily cause a denial-of-service (DoS) against name resolution on affected systems by abusing the simple protocol server’s UNIX domain socket. The bug stems...
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    • Forum: Security Alerts