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 ...

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 ...

CVE-2026-14258

CVE-2026-14258 affects dhcpcd’s IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement with a zero-length ND option bypasses validation during packet storage and is reparsed with inadequate validation, causing the parser to enter a non-advancing loo...

CVE-2026-7656

The IPv6 Neighbor Discovery handlers in subsys/net/ip/ipv6nbr.c handlerainput, handlensinput, handlenainput used an incorrect boolean expression that combined the RFC 4861 validity checks with the ICMPv6 code check using the wrong operator precedence: the form was 'length/hop/source/target checks...

PT-2026-53753

Name of the Vulnerable Software and Affected Versions Zephyr versions prior to 4.4.0 Description An input validation weakness exists in the IPv6 Neighbor Discovery handlers within subsys/net/ip/ipv6 nbr.c. The functions handle ra input, handle ns input, and handle na input use an incorrect boolea...

EUVD-2026-38496

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 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...

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...

CVE-2026-48715

CVE-2026-48715 affects the radvddump utility shipped with radvd (prior to v2.21). The issue is a stack buffer overflow in the Route Information option parser: during processing of a crafted ICMPv6 Router Advertisement, print_ff() copies up to 2032 bytes from packet data into a 16-byte on-stack st...

CVE-2026-48715 radvdump's Route Information Option Parser has a Stack Buffer Overflow

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...

CVE-2026-7426

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-2026-7425

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-2026-7425

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

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 ...

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 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...

EUVD-2026-26283

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...