ROS-20260622-73-0032

The vulnerability of the LookupCNAME function in the Go programming language is related to a memory reclamation error when processing CNAME records. Exploiting this vulnerability can allow an attacker to cause service interruptions...

CVE-2026-45674 Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin bailiwick of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue...

CVE-2026-45674

CVE-2026-45674 affects Netty DNS resolution: the DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Affected versions are 4.1.135.Final and 4.2.15.Final; the issue is patched in those same versions. Potential impact is DNS cache poisoning via missing bai...

GHSA-676X-F7GG-47VC Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

Summary Netty's DnsResolveContext fails to validate the origin bailiwick of CNAME records in DNS responses. Details In io.netty.resolver.dns.DnsResolveContextbuildAliasMap, the resolver processes the ANSWER section of a DNS response and blindly caches all CNAME records it finds. According to...

The vulnerability of the LookupCNAME() function in the Go programming language allows a perpetrator to trigger a service failure.

The vulnerability of the LookupCNAME function in the Go programming language is related to a memory reclamation error when processing CNAME records. Exploiting this vulnerability can allow an attacker to cause service interruptions...

EUVD-2026-19685

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DNS CNAME records configuration parameter dns.cnameRecords. This vulnerability allows a...

CVE-2026-35518 Pi-hole FTL affected by Remote Code Execution (RCE) via dns.cnameRecords Newline Injection

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DNS CNAME records configuration parameter dns.cnameRecords. This vulnerability allows a...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Avahi vulnerabilities (USN-7967-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7967-1 advisory. It was discovered that Avahi incorrectly terminated when processing browser records...

SUSE CVE-2025-68471

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, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart...

Reachable Assertion

Overview Affected versions of this package are vulnerable to Reachable Assertion in the lookupmulticastcallback function. An attacker can cause a crash by sending unsolicited announcements containing CNAME resource records that point to resource records with short TTLs, which, upon expiration,...

Reachable Assertion

Overview Affected versions of this package are vulnerable to Reachable Assertion in the lookupstart process. An attacker can cause a crash of the daemon by sending two unsolicited announcements containing CNAME resource records two seconds apart. Remediation A fix was pushed into the master branc...

CVE-2025-68468

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, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they...

CVE-2025-68471

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, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart...

ALPINE-CVE-2025-68471

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, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart...

AZL-74274 CVE-2025-68468 affecting package avahi for versions less than 0.8-5

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, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they...

CVE-2025-68468

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, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they...

CVE-2025-68471

CVE-2025-68471 affects Avahi (0.9-rc2 and earlier) and is triggered by processing two unsolicited announcements with CNAME records, leading to a crash/DoS via a reachable assertion in lookup_start. Connected advisories indicate fixes in avahi packages (e.g., openSUSE/SUSE advisories;Mariner notes...

EUVD-2025-206279

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, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they...

PT-2026-2282

Name of the Vulnerable Software and Affected Versions Avahi versions prior to 0.9-rc2 Description Avahi, a system for local network service discovery using the mDNS/DNS-SD protocol suite, is susceptible to a crash issue. Sending unsolicited announcements containing CNAME resource records that poi...

USN-3827-1 samba vulnerabilities

Florian Stuelpner discovered that Samba incorrectly handled CNAME records. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service. CVE-2018-14629 Alex MacCuish discovered that Samba incorrectly handled memory when configured to accept smart-card...