CVE-2026-47180

A flaw was found in Zeroconf, a Python implementation of multicast DNS service discovery. An unauthenticated attacker on the local network can send a specially crafted multicast DNS mDNS packet with chained pointers. This can trigger a recursion error, leading to sustained CPU usage, excessive...

PT-2026-48689

Name of the Vulnerable Software and Affected Versions zeroconf versions prior to 0.149.12 Description An unauthenticated host on the local link can cause a denial of service by streaming byte-distinct mDNS queries with the TC-bit truncation flag set to the AsyncListener.handle query or defer...