NLnet Labs Unbound security vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound 1.25.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the possibility of service degradation when processing a large number of incoming EDNS options...

NLnet Labs Unbound buffer error vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound 1.25.0 and earlier contained a buffer error vulnerability. This vulnerability stemmed from the use of incorrect counters in the DNSSEC verifier to calculate the write offset, resulting...

NLnet Labs Unbound security vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound 1.25.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from issues with timestamp updates in the jostle logic, which could prevent slow queries from being...

NLnet Labs Unbound security vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. There are security vulnerabilities in the version of NLnet Labs Unbound from 1.14.0 to 1.25.0. These vulnerabilities stem from the truncation of size calculations when encoding multiple NSIDs and/or DNS Cookies, as...

ISC BIND 9 security vulnerabilities

ISC BIND 9 is a domain name system software developed by the ISC organization. ISC BIND 9 has a security vulnerability that stems from the parser’s susceptibility to resource exhaustion attacks. If a victim’s parser sends queries to a specially crafted zone, the parser will consume disproportiona...

RabbitMQ AWS Infrastructure Plugin security vulnerabilities

The RabbitMQ AWS Infrastructure Plugin is an open-source project by amazon-mq, designed for integrating RabbitMQ with AWS infrastructure. Versions of the RabbitMQ AWS Infrastructure Plugin prior to version 0.2.1 contained security vulnerabilities. These vulnerabilities stemmed from debugging code...

PT-2026-42174

Name of the Vulnerable Software and Affected Versions Twig versions prior to 3.26.0 Description When a sandbox is enabled selectively via SourcePolicyInterface rather than globally, a sandboxed template permitted to use template from string and include can render an arbitrary inner template witho...

UBUNTU-CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

CVE-2026-44390: Inefficient Algorithmic Complexity

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

NLnet Labs Unbound security vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound 1.25.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from unbound name compression operations when handling large RRsets, which could lead to performanc...

UBUNTU-CVE-2026-3593

A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected...

ISC BIND 9 Resource Management Error Vulnerability

ISC BIND 9 is a domain name system software developed by the ISC organization. ISC BIND 9 has a resource management vulnerability, which stems from the reuse of resources after release in the DNS-over-HTTPS implementation. The following versions are affected: 9.20.0 to 9.20.22, 9.21.0 to 9.21.21,...

CVE-2026-3593

A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected...

UBUNTU-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...

PT-2026-42131

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.14.0 through 1.25.0 Description A heap overflow occurs when encoding multiple NSID, DNS Cookie EDNS, and EDNS Padding options in a reply packet. This happens because a flaw in the size calculation of the EDNS fiel...

Fedora 43 : proftpd (2026-4ddb108952)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-4ddb108952 advisory. This update contains an updated modwrap2sql that addresses a potential SQL injection issue when connected to from a client with a maliciously-constructed...

NLnet Labs Unbound Access Control Vulnerability

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. In versions 1.16.2 to 1.25.0 of NLnet Labs Unbound, there is an access control vulnerability. This vulnerability stems from a phantom domain attack. It allows attackers to control phantoms and query the vulnerable...

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...

UBUNTU-CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...