EUVD-2026-31449

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode"xn--example-.com" incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna...

CVE-2026-43617

A flaw was found in rsync. When an rsync daemon is configured with "daemon chroot = /X" and uses hostname-based access control lists ACLs, and the chrooted directory /X lacks necessary DNS resolution files, a remote attacker can bypass hostname-based deny rules. This occurs because the daemon...

OESA-2026-2438 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

OESA-2026-2437 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

OESA-2026-2370 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...

SUSE CVE-2026-43617

Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing...

CVE-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...

CVE-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...

PT-2026-42802

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, SSRF protection for Webhook / HTTP Request blocks validates only the URL string, blocked hostname literals, and literal IP formats. It does not resolve DNS before allowing the request. As a result, a hostname such as ssrf-repro.examp...

CVE-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...

CVE-2026-46727

Ruby 4 before 4.0.5 contains a race condition that can cause a use-after-free in the pthread-based getaddrinfo timeout handler (rb_getaddrinfo in ext/socket/raddrinfo.c). A remote attacker able to delay DNS responses near the user-specified timeout could crash a Ruby process calling Addrinfo.geta...

Ruby 竞争条件问题漏洞

Ruby is a cross-platform, object-oriented dynamic type programming language developed by Yukihiro Matsumoto. Prior to Ruby 4.0.5, there was a race condition vulnerability. This vulnerability stemmed from a race condition in the getaddrinfo handling process based on pthread, where reusing resource...

bind: BIND: Denial of Service via specially crafted DNS messages

A flaw was found in the bind component, specifically within the named daemon. This vulnerability allows a remote attacker to send specially crafted Domain Name System DNS messages. These messages, which use unusual classes or meta-classes, can trigger assertion failures in the named daemon when...

CVE-2026-42000

Insufficient Validation of Names During AXFR...

CLSA-2026-1779355433 Fix CVE(s): CVE-2026-3833

SECURITY UPDATE: nameConstraints case-sensitive comparison bypass - debian/patches/CVE-2026-3833.patch: perform case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing, fixing excludedSubtrees / permittedSubtrees bypass via letter-casing in the SAN....

Possible arbitrary code execution during DNSSEC validation

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Crash during DNSSEC validation of malicious content

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[slackware-security] rsync

New rsync packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/rsync-3.4.3-i586-1slack15.0.txz: Upgraded. This update fixes security issues: TOCTOU symlink race condition allowing local privilege...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Unbound vulnerabilities (USN-8282-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8282-1 advisory. Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker could possib...

Malicious code in bolt-delivery-menu-app (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cc39247db76b4edd80084e400324518739f141dafda621d368c3e5a9ac41f791 Package executes a DNS-based beacon at both install time package.json scripts.install runs node index.js and on every require of the module...