NewStart CGSL MAIN 7.02 : unbound Multiple Vulnerabilities (NS-SA-2025-0125)

The remote NewStart CGSL host, running version MAIN 7.02, has unbound packages installed that are affected by multiple vulnerabilities: - NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform name...

Ubuntu 22.04 LTS / 24.04 LTS / 25.04 : Unbound vulnerabilities (USN-7666-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 host has packages installed that are affected by a vulnerability as referenced in the USN-7666-1 advisory. Xiang Li discovered that Unbound incorrectly handled EDNS Client Subnet ECS in certain configurations. A remote attacker could possibly use th...

Ubuntu: Security Advisory (USN-7666-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-7666-1 unbound vulnerabilities

Xiang Li discovered that Unbound incorrectly handled EDNS Client Subnet ECS in certain configurations. A remote attacker could possibly use this issue to perform a cache poisoning attack called Rebirthday Attack...

USN-7666-1: Unbound vulnerabilities

Xiang Li discovered that Unbound incorrectly handled EDNS Client Subnet ECS in certain configurations. A remote attacker could possibly use this issue to perform a cache poisoning attack called Rebirthday Attack...

Fedora: Security Advisory (FEDORA-2025-350a4ec835)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 42 : unbound (2025-350a4ec835)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-350a4ec835 advisory. Update to 1.23.1 rhbz2380450 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not teste...

[SECURITY] Fedora 42 Update: unbound-1.23.1-1.fc42

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...

FreeBSD : unbound -- Cache poisoning via the ECS-enabled Rebirthday Attack (e27ee4fc-cdc9-45a1-8242-09898cdbdc91)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the e27ee4fc-cdc9-45a1-8242-09898cdbdc91 advisory. [email protected] reports: A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has be...

Unbound DNS Resolver 1.6.2 - 1.23.0 Cache Poisoning Vulnerability (Rebirthday Attack)

Unbound DNS Resolver is prone to a cache poisoning vulnerability Rebirthday Attack. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

UBUNTU-CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

SUSE CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

DEBIAN-CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

ALPINE-CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

CVE-2025-5994 Cache poisoning via the ECS-enabled Rebirthday Attack

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

CVE-2025-5994

CVE-2025-5994 describes a rebirthday cache-poisoning risk in ECS-enabled caching resolvers. Affected product: Unbound (if built with ECS support and configured to send ECS data upstream). Root cause: need to segregate outgoing queries by ECS info; otherwise an attacker could exploit DNS transacti...

CVE-2025-5994 Cache poisoning via the ECS-enabled Rebirthday Attack

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

NLnet Unbound 安全漏洞

NLnet Unbound is an open source DNS server from the Dutch NLnet team. A security vulnerability exists in NLnet Unbound that stems from a risk of cache poisoning when supporting EDNS Client Subnet, which could lead to a Rebirthday attack...