unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis

A flaw was found in Unbound. Improper handling of buffer positions and compression pointers in Unbound's CNAME synthesis allows a remote attacker to corrupt heap memory via upstream DNS responses. This vulnerability can result in a denial of service DoS or, under specific conditions, remote code...

Critical: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis

A flaw was found in Unbound. Improper handling of buffer positions and compression pointers in Unbound's CNAME synthesis allows a remote attacker to corrupt heap memory via upstream DNS responses. This vulnerability can result in a denial of service DoS or, under specific conditions, remote code...

UBUNTU-CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717

A flaw was found in Unbound. Improper handling of buffer positions and compression pointers in Unbound's CNAME synthesis allows a remote attacker to corrupt heap memory via upstream DNS responses. This vulnerability can result in a denial of service DoS or, under specific conditions, remote code...

DEBIAN-CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

AZL-101700 CVE-2026-82717 affecting package unbound for versions less than 1.26.1-1

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

ALPINE-CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717 CNAME synthesis could lead to heap corruption

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717 CNAME synthesis could lead to heap corruption

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717

NLnet Labs Unbound versions up to and including 1.26.0 are affected by a heap buffer overflow in CNAME synthesis during upstream response processing. When the resolver enforces a max TTL value in the packet buffer, a compression pointer pointing to the overwritten value invalidates the domain nam...

CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

EUVD-2026-80292

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

Linux Distros Unpatched Vulnerability : CVE-2026-82717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and...