Linux Distros Unpatched Vulnerability : CVE-2025-5270

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

[SECURITY] Fedora 41 Update: unbound-1.23.1-1.fc41

Unbound is a validating, recursive, and caching DNSSEC resolver. The C implementation of Unbound is developed and maintained by NLnet Labs. It is based on ideas and algorithms taken from a java prototype developed by Verisign labs, Nominet, Kirei and ep.net. Unbound is designed as a set of modula...

unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

CLSA-2025-1753988282 avahi: Fix of CVE-2024-52616

CVE-2024-52616: initialize DNS transaction IDs randomly at each startup to prevent predictability and mitigate DNS spoofing attacks...

unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

SUSE CVE-2025-8283

A vulnerability was found in the netavark package, a network stack for containers used with Podman. Due to dns.podman search domain being removed, netavark may return external servers if a valid A/AAAA record is sent as a response. When creating a container with a given name, this name will be us...

unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

SUSE CVE-2024-55628

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.8, DNS resource name compression can lead to small DNS messages containing very large hostnames which can be costly to decode, and lead to very large DNS log...

CVE-2025-8283

A vulnerability was found in the netavark package, a network stack for containers used with Podman. Due to dns.podman search domain being removed, netavark may return external servers if a valid A/AAAA record is sent as a response. When creating a container with a given name, this name will be us...

unbound: Unbound Cache poisoning

A cache poisoning flaw was found in Unbound. Resolvers supporting EDNS Client Subnet ECS must segregate outgoing queries to accommodate different outgoing ECS information. This issue reopens resolvers to a birthday paradox attack, known as the Rebirthday Attack, which attempts to match the DNS...

Sitadel

This is a web application security scanner called Sitadel, which is an update for WAScan making it compatible for Python = 3.4. It allows more flexibility for users to write new modules and implement new features, such as frontend framework detection, content delivery network detection, and plugi...

pentest-wiki

This repository is an online security knowledge library for pentesters/researchers, providing information on various topics related to information gathering. The repository contains documentation on how to gather whois and DNS information, as well as Linux system architecture, processes, and user...

Hackers Are Finding New Ways to Hide Malware in DNS Records

Newly published research shows that the domain name system—a fundamental part of the web—can be exploited to hide malicious code and prompt injection attacks against chatbots...

ALPINE-CVE-2025-40776

A named caching resolver that is configured to send ECS EDNS Client Subnet options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1 through 9.20.10-S1...

ISC BIND 9 安全漏洞

ISC BIND 9 is a Domain Name System software from the ISC organization. A security vulnerability exists in ISC BIND 9 that stems from vulnerability to cache poisoning attacks. The following versions are affected: versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1...

SUSE CVE-2025-24294

The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses suc...

DNS Tunneling: Threat Landscape and Improved Detection Solutions

Detecting Domain Name System DNS tunneling is a significant challenge in security due to its capacity to hide harmful actions within DNS traffic that appears to be normal and legitimate. Traditional detection methods are based on rule-based approaches or signature matching methods that are often...

DEBIAN-CVE-2025-24294

The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses suc...

UBUNTU-CVE-2025-24294

The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses suc...