OESA-2026-2807 radvd security update

The router advertisement daemon radvd is run by Linux or BSD systems acting as IPv6 routers. It sends Router Advertisement messages, specified by RFC 2461, to a local Ethernet LAN periodically and when requested by a node sending a Router Solicitation message. These messages are required for IPv6...

Linux Distros Unpatched Vulnerability : CVE-2026-56116

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dhcpcd through 10.3.2, fixed in commit 708b4a5, contains a memory leak vulnerability in the IPv6 Router Advertisement route information handling that allows an...

CVE-2026-56116 dhcpcd Memory Leak DoS via IPv6 Router Advertisement Handling

dhcpcd through 10.3.2, fixed in commit 708b4a5, contains a memory leak vulnerability in the IPv6 Router Advertisement route information handling that allows an unauthenticated same-link attacker to cause denial of service by sending crafted Router Advertisements. Attackers can repeatedly send...

CVE-2026-48715

radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, printff copies up to 2032 bytes from attacker-controlled...

RHCOS 4 : OpenShift Container Platform 4.4.8 containernetworking-plugins (RHSA-2020:2403)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2403 advisory. - containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Note that Nessus has not...

RHCOS 4 : OpenShift Container Platform 4.3.25 containernetworking-plugins (RHSA-2020:2443)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2443 advisory. - containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Note that Nessus has not...

RHCOS 4 : OpenShift Container Platform 4.2.36 containernetworking-plugins (RHSA-2020:2592)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2592 advisory. - containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Note that Nessus has not...

📄 FreeBSD 15.x rtsold DNSSL Command Injection

This Metasploit module targets a command injection vulnerability in the FreeBSD rtsold daemon related to the handling of DNSSL DNS Search List options in IPv6 Router Advertisements. Due to improper validation of domain names, attacker-controlled DNSSL values can inject shell commands via $...

MiracleLinux 7 : containernetworking-plugins-0.8.3-3.el7 (AXSA:2020-186:02)

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2020-186:02 advisory. containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Tenable has extracted the preceding description...

📄 FreeBSD rtsold 15.x Remote Code Execution

rtsold8 on FreeBSD processes IPv6 Router Advertisement DNSSL options without validating domain names for shell metacharacters. The decoded domains are passed to resolvconf8, a shell script that uses unquoted variable expansion, enabling command injection via substitution. Exploit Title: FreeBSD...

USN-7248-1 libndp vulnerability

It was discovered that libndp incorrectly handled certain malformed IPv6 router advertisement packets. A local attacker could possibly use this issue to cause NetworkManager to crash, resulting in a denial of service, or the execution of arbitrary code...

USN-6830-1 libndp vulnerability

It was discovered that libndp incorrectly handled certain malformed IPv6 router advertisement packets. A local attacker could use this issue to cause NetworkManager to crash, resulting in a denial of service, or possibly execute arbitrary code...

AZL-42609 CVE-2024-5564 affecting package libndp for versions less than 1.8-2

A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as libndp was not correctly validating the route length information...

CVE-2023-6200

A race condition was found in the Linux Kernel. Under certain conditions, an unauthenticated attacker from an adjacent network could send an ICMPv6 router advertisement packet, causing arbitrary code execution...

SUSE CVE-2020-10749

A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle MitM attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or...

SUSE CVE-2020-13401

An issue was discovered in Docker Engine before 19.03.11. An attacker in a container, with the CAPNETRAW capability, can craft IPv6 router advertisements, and consequently spoof external IPv6 hosts, obtain sensitive information, or cause a denial of service...

CVE-2022-27882

slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6 router advertisement. NOTE: privilege separation and pledge can prevent exploitation...

Fedora 32 : golang-github-containernetworking-plugins (2021-ccb8a9c403)

The remote Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-ccb8a9c403 advisory. - A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes...

Moderate: Red Hat Security Advisory: container-tools:rhel8 security, bug fix, and enhancement update

An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 8 : container-tools:rhel8 (RHSA-2020:4694)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4694 advisory. The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes:...