CVE-2026-42000

A flaw was found in pdns. This vulnerability, stemming from insufficient validation of names during an Asynchronous Zone Transfer AXFR, allows a remote attacker to compromise the integrity of DNS data. By sending specially crafted requests, an attacker could potentially poison DNS caches or make...

glibc security update

An update is available for glibc. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The glibc packages provide the standard C libraries libc, POSIX thread librarie...

SUSE CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

zeroconf has unbounded recursion in DNS compression-pointer decoder that allows LAN-local denial of service

Impact DNSIncoming.decodelabelsatoffset recurses once per DNS-name compression pointer RFC 1035 §4.1.4. Pointer cycles and label counts were capped, but the chain length of unique forward pointers was not. A single 3 kB mDNS packet carrying 1500 chained pointers drives the recursion past CPython'...

RLSA-2025:11884 Important: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning CVE-2025-5994 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE...

GHSA-J6FM-9RFM-J5HX Froxlor has an incomplete fix for CVE-2026-30932

Summary The LOC record regex uses \s+ which matches newlines allowing embedded newlines to pass, TLSA matchingType=0 has no upper bound on hex data length, and all validators return raw input without zone-file escaping. Affected Package - Ecosystem: Other - Package: froxlor - Affected versions: a...

CLSA-2026-1780068979 Fix CVE(s): CVE-2026-5946

SECURITY UPDATE: multiple flaws in named related to handling of DNS messages whose CLASS is not Internet IN - debian/patches/CVE-2026-5946.patch: Restrict DNS operations to class IN only. - CVE-2026-5946...

OESA-2026-2488 python-twisted security update

Twisted is an event-based framework for internet applications, supporting Python 2.7 and Python 3.5+. It includes modules for many different purposes, including the following: Security Fixes: A denial of service vulnerability exists in Twisted framework when handling DNS compression pointer chain...

EUVD-2026-33308

WWBN AVideo is an open source video platform. In 29.0 and earlier, EpgParser.php, plugin/AI/receiveAsync.json.php, and other locations do not use the $resolvedIP out-param of isSSRFSafeURL for DNS pinning via CURLOPTRESOLVE, opening DNS-rebinding TOCTOU...

SUSE CVE-2026-3039

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or...

SUSE CVE-2026-5946

Multiple flaws have been identified in named related to the handling of DNS messages whose CLASS is not Internet IN - for example, CHAOS or HESIOD, or DNS messages that specify meta-classes ANY or NONE in the question section. Specially crafted requests reaching the affected code paths - recursio...

RLSA-2026:18786 Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

CVE-2026-42579

A flaw was found in Netty. Netty's DNS Domain Name System codec does not properly enforce domain name constraints as defined in RFC 1035 during both encoding and decoding processes. This vulnerability allows a remote attacker to exploit the decoder using malicious DNS responses or exploit the...

BIT-RUBY-MIN-2026-46727

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

Amazon Linux 2023 : soci-snapshotter (ALAS2023-2026-1740)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1740 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport...

Amazon Linux 2023 : containerd, containerd-stress (ALAS2023-2026-1737)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1737 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport...

RHEL 9 : glibc (RHSA-2026:20597)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:20597 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

Linux Distros Unpatched Vulnerability : CVE-2026-46727

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in...

Amazon Linux 2023 : credentials-fetcher (ALAS2023-2026-1744)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1744 advisory. crypto/tls: handshake messages may be processed at the incorrect encryption level CVE-2025-61730 When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a...

EUVD-2026-31836

luci-app-https-dns-proxy through 2025.12.29-5 — an optional LuCI web UI add-on for the https-dns-proxy package, distributed through the OpenWrt community packages feed and not installed by default — contains a command injection vulnerability in the setInitAction function. An authenticated user...