resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

MITM (Man-in-the-Middle) Netty Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This High severity MITM Man-in-the-Middle vulnerability known as CVE-2026-47691 was introduced in versions 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.12 bug fix and security update

Red Hat OpenShift Container Platform release 4.22.12 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

CVE-2026-80213

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

Unity Linux 20.1070e Security Update: unbound (UTSA-2026-035851)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-035851 advisory. NLnet Labs Unbound 1.16.2 up to and including version 1.25.0 has a vulnerability of the 'ghost domain names' family of attacks that could extend the ghost domain...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: unbound (UTSA-2026-104836)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104836 advisory. In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during RFC 8198...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: unbound (UTSA-2026-104805)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104805 advisory. In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve as a secret value that increases the entropy of DNS...

EulerOS Virtualization 2.13.0 : dnsmasq (EulerOS-SA-2026-3210)

According to the versions of the dnsmasq packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via...

resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

OESA-2026-3438 unbound security update

Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most...

OESA-2026-3437 unbound security update

Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most...

OESA-2026-3435 unbound security update

Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most...

RHEL 9 : bind (RHSA-2026:57189)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:57189 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

Security update for erlang

This update for erlang fixes the following issues: CVE-2026-28810: predictable DNS transaction IDs can cause DNS cache poisoning bsc1261726. CVE-2026-42789: publickey application accepts non-CA certificates as intermediate issuers and this enables chain forgery bsc1266449. CVE-2026-42790: Name...

SUSE-SU-2026:3645-1 Security update for erlang

This update for erlang fixes the following issues: - CVE-2026-28810: predictable DNS transaction IDs can cause DNS cache poisoning bsc1261726. - CVE-2026-42789: publickey application accepts non-CA certificates as intermediate issuers and this enables chain forgery bsc1266449. - CVE-2026-42790:...

CVE-2026-50252

A flaw in Unbound's SOREUSEPORT implementation reduces UDP source port entropy by allowing attackers to map ports to specific worker threads. This enables DNS cache poisoning, potentially leading to traffic redirection or unauthorized information disclosure. Mitigation Disable the so-reuseport...

CVE-2026-50248

A flaw in Unbound allows a remote attacker to replace an authenticated or Response Policy Zone RPZ by spoofing DNS records for configured primary hostnames. This enables the attacker to impersonate the primary server, leading to DNS cache poisoning or traffic redirection. Mitigation Configure...

unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes

A flaw was found in Unbound. Insufficient validation of the RRSIG.Labels field, combined with premature cache writes during RFC 8198 aggressive NSEC processing, can lead to cache poisoning. This vulnerability allows a malicious actor, controlling a single delegated zone, to poison arbitrary sibli...