AlmaLinux 10 : dhcpcd (ALSA-2026:54210)

The remote AlmaLinux 10 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:54210 advisory. dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Router Advertisement handling CVE-2026-14258 Tenable has extracted the...

ALSA-2026:54210 Moderate: dhcpcd security update

The dhcpcd package provides a minimalistic network configuration daemon that supports IPv4 and IPv6 configuration including configuration discovery through NDP, DHCPv4 and DHCPv6 protocols. Security Fixes: dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Route...

SUSE-SU-2026:3055-1 Security update for radvd

This update for radvd fixes the following issue - CVE-2026-48715: stack-based buffer overflow in the radvdump Route Information option parser when processing crafted ICMPv6 Router Advertisements bsc1268641...

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-2026-14258

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length...

CVE-2026-14258

A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser ...

AZL-91710 CVE-2026-14258 affecting package dhcpcd for versions less than 10.0.8-4

A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser ...

UBUNTU-CVE-2026-14258

A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser ...

PT-2026-54641

Name of the Vulnerable Software and Affected Versions dhcpcd affected versions not specified Description A flaw exists in the IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass...

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-2026-56116 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 4.3.25 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 4.4.8 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 4.2.36 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...

CVE-2026-7425

Insufficient option length validation in the IPv6 Router Advertisement parser in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to cause a denial of service device crash by sending a crafted Router Advertisement with a truncated PREFIXINFORMATION option that is smalle...

CVE-2026-7426 Out-of-Bounds Write via Unsanitized Prefix Length in Router Advertisement Processing in FreeRTOS-Plus-TCP

Insufficient validation of the prefix length field in IPv6 Router Advertisement processing in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to cause memory corruption by sending a crafted Router Advertisement with a prefix length value exceeding the maximum valid...

CVE-2026-7426

The CVE-2026-7426 entry concerns the IPv6 Router Advertisement handling in FreeRTOS-Plus-TCP. Insufficient validation of the prefix length field in Router Advertisement processing allows memory corruption (heap buffer overflow) on the affected stack when processing RA messages. Affected versions ...

FreeRTOS-Plus-TCP 缓冲区错误漏洞

FreeRTOS-Plus-TCP is an extensible, open-source TCP/IP stack designed for use with FreeRTOS. Versions prior to V4.2.6 and V4.4.1 of FreeRTOS-Plus-TCP contained a buffer error vulnerability. This vulnerability stemmed from insufficient validation of the prefix length field during IPv6 router...