OESA-2026-3294 python-zeroconf security update

Pure Python Multicast DNS Service Discovery Library Bonjour/Avahi compatible Security Fixes: Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.5, DNSIncoming.decodelabelsatoffset recurses once per DNS-name compression pointer, and a single mDNS packet...

CVE-2026-48045

The CVE-2026-48045 issue affects python-zeroconf (Zeroconf Pure Python) where AsyncListener.handle_query_or_defer retains every truncated TC-bit mDNS query per source in self._deferred[addr] and arms per-address timers in self._timers[addr]. This unbounded queue growth on LAN-local hosts (UDP/535...

EUVD-2026-45251

Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12, AsyncListener.handlequeryordefer retained every truncated TC-bit incoming query, each up to MAXMSGABSOLUTE = 8966 bytes, in self.deferredaddr and armed a per-address timer in self.timersaddr without...

PT-2025-15990 · Connman +1 · Connman +1

Name of the Vulnerable Software and Affected Versions: ConnMan versions 1.44 and earlier Description: The issue in ConnMan allows attackers to cause a denial of service or possibly execute arbitrary code by manipulating DNS responses. This occurs when the lookup string in ns resolv in dnsproxy.c...

CVE-2010-2951

dnsinternal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service assertion failure and daemon exit via vectors that trigger an IPv4 DNS response with the TC bit set...

CVE-2010-2951

dnsinternal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service assertion failure and daemon exit via vectors that trigger an IPv4 DNS response with the TC bit set...

PT-2010-4429

Name of the Vulnerable Software and Affected Versions Squid version 3.1.6 Description The issue allows remote attackers to cause a denial of service, resulting in an assertion failure and daemon exit. This occurs when the dns internal.cc component accesses an invalid socket during an IPv4 TCP DNS...