CVE-2026-112062

lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdnshandleresponse that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names. Attackers on the local link can send multicast PTR answers with oversized RDLENGTH or SRV answers...

EUVD-2026-103504

lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdnshandleresponse that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names. Attackers on the local link can send multicast PTR answers with oversized RDLENGTH or SRV answers...

CVE-2026-112062

The lwIP network stack (versions through 2.2.1 ) is vulnerable to a stack out-of-bounds write in the mdns_handle_response function. An adjacent attacker on the local link can exploit this by sending specially crafted mDNS responses during a service search—specifically, multicast PTR answers with ...

PT-2026-116645

Name of the Vulnerable Software and Affected Versions lwIP versions prior to 2.2.2 Description A stack out-of-bounds write exists in the mdns handle response function. Adjacent attackers can corrupt stack memory by sending mDNS responses containing invalid domain names. Specifically, attackers on...

CVE-2026-112062: Stack-based Buffer Overflow

lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdnshandleresponse that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names. Attackers on the local link can send multicast PTR answers with oversized RDLENGTH or SRV answers...

NoMachine mDNS Heap-based Buffer Overflow

NoMachine versions prior to 10.1.7, 9.9.6, and 8.27.1 contain an mDNS resource-record parsing heap-based buffer overflow that allows network-adjacent unauthenticated attackers to execute code in the service account context...

ipv6tools

IPv6Tools El framework IPv6Tools es un conjunto robusto de módulos y plugins que permiten a un usuario auditar una red habilitada para IPv6. Los módulos integrados permiten la enumeración de características de IPv6 como ICMPv6 y Multicast Listener Discovery MLD. Además, el framework también permi...

spycast

SpyCast es una herramienta de enumeración mDNS multiplataforma que puede funcionar tanto en modo activo consultando servicios de forma recursiva, como en modo pasivo escuchando únicamente paquetes multicast. Compilación cargo build --release Los paquetes de agrupación específicos del sistema...

Home Assistant: mDNS Server-Side Request Forgery

SummaryHome Assistant Green is vulnerable to a Server-Side Request Forgery SSRF via the mDNS/Zeroconf IPP integration. An unauthenticated attacker on the local network can send a crafted mDNS response to trick Home Assistant into making HTTP requests to arbitrary hosts, including internal service...

PYSEC-2026-4051 Home Assistant: mDNS Server-Side Request Forgery

Summary Home Assistant Green is vulnerable to a Server-Side Request Forgery SSRF via the mDNS/Zeroconf IPP integration. An unauthenticated attacker on the local network can send a crafted mDNS response to trick Home Assistant into making HTTP requests to arbitrary hosts, including internal servic...

PT-2026-105808

Summary Home Assistant Green is vulnerable to a Server-Side Request Forgery SSRF via the mDNS/Zeroconf IPP integration. An unauthenticated attacker on the local network can send a crafted mDNS response to trick Home Assistant into making HTTP requests to arbitrary hosts, including internal servic...

CentOS Linux 7 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1786027278)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1786027278 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, a...

Rocky Linux 9.6 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.6:CLSA-2026:1773137055)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1773137055 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below...

AlmaLinux 9.6 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.6:CLSA-2026:1773137055)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1773137055 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below,...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.2:CLSA-2026:1778112033)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778112033 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below,...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.2:CLSA-2026:1786360814)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786360814 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions up to and includin...

CVE-2026-102715

Any host on the LAN can send two mDNS records and make the responder write past the end of its transmit packet. The string table stores each name in a slot rounded up to a multiple of four: c / addons/mdns/nxdmdns.c:11436, 11443, 11447 / memorylen = memorylen & 0xFFFFFFFC + 8 & 0xFFFFFFFF; ... le...

CVE-2026-102715

Any host on the LAN can send two mDNS records and make the responder write past the end of its transmit packet. The string table stores each name in a slot rounded up to a multiple of four: The lookup that decides whether an incoming name is already stored compares the rounded slot size, so names...

CVE-2026-102715 mDNS string-cache lookup matches on slot size, so a peer name aliases a shorter one and the response encoder writes past the packet

Any host on the LAN can send two mDNS records and make the responder write past the end of its transmit packet. The string table stores each name in a slot rounded up to a multiple of four: c / addons/mdns/nxdmdns.c:11436, 11443, 11447 / memorylen = memorylen & 0xFFFFFFFC + 8 & 0xFFFFFFFF; ... le...

EUVD-2026-89178

Any host on the LAN can send two mDNS records and make the responder write past the end of its transmit packet. The string table stores each name in a slot rounded up to a multiple of four: c / addons/mdns/nxdmdns.c:11436, 11443, 11447 / memorylen = memorylen & 0xFFFFFFFC + 8 & 0xFFFFFFFF; ... le...