CVE-2026-23398 icmp: fix NULL pointer dereference in icmp_tag_validation()

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23381

A flaw was found in the Linux kernel's network bridging component. When Internet Protocol version 6 IPv6 is explicitly disabled, a critical data structure for Neighbor Discovery is not properly initialized. A remote attacker could exploit this by sending a specially crafted Internet Control Messa...

PT-2026-46029

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the handling of RAW sockets using the IPPROTO RAW protocol. A malicious incoming ICMP packet can have its protocol field set to 255, allowing it to match a socket...

CVE-2026-21906

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004315)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004315 advisory. A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass...

CVE-2026-21906

CVE-2026-21906 overview (Junos OS SRX Series) A vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series can be triggered by a specific ICMP packet routed through a GRE tunnel when PowerMode IPsec (PMI) and GRE performance acceleration are enabled. An unauthe...

CVE-2026-0203

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

EUVD-2026-2681

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2026-0203 Junos OS: Receipt of a specifically malformed ICMP packet causes an FPC restart

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002327 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allow...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000680)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000680 advisory. Race condition in the inetfragintern function in net/ipv4/inetfragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service...

CVE-2026-22541

The massive sending of ICMP requests causes a denial of service on one of the boards from the EVCharger that allows control the EV interfaces. Since the board must be operating correctly for the charger to also function correctly...

CVE-2026-22541

The massive sending of ICMP requests causes a denial of service on one of the boards from the EVCharger that allows control the EV interfaces. Since the board must be operating correctly for the charger to also function correctly...

CVE-2026-22541 DENIAL OF SERVICE VIA ICMP PACKETS

The massive sending of ICMP requests causes a denial of service on one of the boards from the EVCharger that allows control the EV interfaces. Since the board must be operating correctly for the charger to also function correctly...

CVE-2026-22541 DENIAL OF SERVICE VIA ICMP PACKETS

The massive sending of ICMP requests causes a denial of service on one of the boards from the EVCharger that allows control the EV interfaces. Since the board must be operating correctly for the charger to also function correctly...

EUVD-2025-34870

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxicmpv6validateoptions when handling a packet with ICMP6 options...

Huawei EulerOS: Security Advisory for iputils (EulerOS-SA-2025-2229)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2025-11616

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...

CVE-2025-11616 Buffer Over-read when receiving improperly sized ICMPv6 packets in FreeRTOS-Plus-TCP

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...

CVE-2025-11616 Buffer Over-read when receiving improperly sized ICMPv6 packets in FreeRTOS-Plus-TCP

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...