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...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

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...

RHEL 8 : unbound (RHSA-2025:13577)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:13577 advisory. The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning...

RHEL 8 : unbound (RHSA-2025:13575)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:13575 advisory. The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning...

RHEL 8 : unbound (RHSA-2025:13576)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:13576 advisory. The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning...

Linux Distros Unpatched Vulnerability : CVE-2024-1554

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The fetch API and navigation incorrectly shared the same cache, as the cache key did not include the optional headers fetch may contain. Under the correct...

Linux Distros Unpatched Vulnerability : CVE-2017-7674

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating tha...

Linux Distros Unpatched Vulnerability : CVE-2023-38522

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for...

OESA-2025-1974 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...

CLSA-2025-1754649153 unbound: Fix of CVE-2025-5994

CVE-2025-5994: fix cache poisoning vulnerability by segregating outgoing queries to accommodate for different outgoing ECS information...

Important: unbound

Issue Overview: 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 wit...

Linux Distros Unpatched Vulnerability : CVE-2024-35161

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache...

Alibaba Cloud Linux 3 : 0124: unbound (ALINUX3-SA-2025:0124)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2025:0124 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2025-5994: A multi-vendor cache poisoning...

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...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

RHEL 8 : unbound (RHSA-2025:12929)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:12929 advisory. The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound Cache poisoning...

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...