GHSA-PHVX-9MGW-67R5 zeroconf: Unbounded exception-dedup state retains packet buffers via traceback frame locals, enabling LAN-local memory exhaustion

Impact DNSIncoming.logexceptiondebug and the four QuietLogger exception-dedup methods stored an unbounded seenlogs dict keyed by strsys.excinfo1. The seven IncomingDecodeError messages raised from readname / decodelabelsatoffset RFC 6762 §18 name-decoding error paths all embed self.source — the...

PT-2026-45025

Impact DNSIncoming. log exception debug and the four QuietLogger exception-dedup methods stored an unbounded seen logs dict keyed by strsys.exc info1. The seven IncomingDecodeError messages raised from read name / decode labels at offset RFC 6762 §18 name-decoding error paths all embed self.sourc...

CLSA-2026-1778112033 avahi: Fix of CVE-2026-24401

CVE-2026-24401: fix avahi-daemon crash on receipt of unsolicited mDNS responses containing self-referencing CNAME records by detecting CNAME loops in lookuphandlecname to prevent uncontrolled recursion and stack exhaustion; also includes two related DoS fixes in the same lookup path from upstream...

Security update for avahi

This update for avahi fixes the following issue: CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235. Patch Instructions: To install this SUSE update use the SUSE recommended installation metho...

SUSE-SU-2026:1442-1 Security update for avahi

This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235...

OESA-2026-1982 avahi security update

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared...

SUSE-SU-2026:21117-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-24401: Fix unsolicited mDNS response containing a recursive CNAME record. bsc1257235...

DEBIAN-CVE-2026-5245

A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handlemdnsrecord of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. A...

Cesanta Mongoose 安全漏洞

Cesanta Mongoose is a set of embedded server libraries developed by the Irish company Cesanta. It includes functions for TCP and HTTP clients and servers, as well as WenSocket clients and servers. Versions of Cesanta Mongoose 7.20 and earlier contained security vulnerabilities. These...

PT-2026-29715

A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handle mdns record of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. ...

CVE-2026-30871

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

CVE-2026-30872

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

EUVD-2026-13249

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30872

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30871

OpenWrt mdns daemon vulnerability (CVE-2026-30871) affects versions prior to 24.10.6 and 25.12.1. A stack-based buffer overflow in parse_question is triggered by PTR queries (reverse DNS: .in-addr.arpa and .ip6.arpa). DNS packets received on UDP port 5353 are expanded by dn_expand into an 8096-by...

EUVD-2026-13247

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

CVE-2026-30871

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

PT-2026-26381

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the match ipv6 addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa...

PT-2026-26380

Name of the Vulnerable Software and Affected Versions OpenWrt Project versions prior to 24.10.6 and versions prior to 25.12.1 Description The OpenWrt Project, a Linux operating system for embedded devices, is affected by a Stack-based Buffer Overflow in the mdns daemon. The issue resides within t...