CVE-2026-0203

CVE-2026-0203 affecting Juniper Networks Junos OS —An Improper Handling of Exceptional Conditions vulnerability in packet processing can be exploited by an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP (IPv4) packet. This causes the Flexible Packet Processor (FP...

PT-2026-3107

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 21.2R3-S9 Juniper Networks Junos OS versions 21.4 before 21.4R3-S10 Juniper Networks Junos OS versions 22.2 before 22.2R3-S7 Juniper Networks Junos OS versions 22.3 before 22.3R3-S4 Juniper Networks...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003079)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003079 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002037)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002037 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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002266)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002266 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...

PT-2026-3120

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on SRX Series versions prior to 21.4R3-S12 Juniper Networks Junos OS on SRX Series versions 22.4 before 22.4R3-S8 Juniper Networks Junos OS on SRX Series versions 23.2 before 23.2R2-S5 Juniper Networks Junos OS on SRX...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices of the company Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions prior to Junos OS 21.2R3-S9, versions 21.4 to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002320)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002320 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...

CVE-2023-49062

Katran could disclose non-initialized kernel memory as part of an IP header. The issue was present for IPv4 encapsulation and ICMP v4 Too Big packet generation. After a bpfxdpadjusthead call, Katran code didn’t initialize the Identification field for the IPv4 header, resulting in writing content ...

CVE-2021-33011

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices...

CVE-2024-34947

Quanxun Huiju Network Technology Beijing Co.,Ltd IK-Q3000 3.7.10 x64 Build202401261655 was discovered to be vulnerable to an ICMP redirect attack...

CVE-2023-40709

An adversary could crash the entire device by sending a large quantity of ICMP requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b...

CVE-2026-22541

CVE-2026-22541 describes a denial-of-service issue caused by massive ICMP traffic targeting a board in the EVCharger system that controls EV interfaces. Multiple sources (NVD, Red Hat, CIRCL, CVE list, CNNVD, EUVD, vulnrichment) attribute the problem to ICMP flood leading to DoS and potential los...

CVE-1999-0214

Denial of service by sending forged ICMP unreachable packets...

CVE-1999-0683

Denial of service in Gauntlet Firewall via a malformed ICMP packet...

CVE-1999-0513

ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service...

CVE-1999-0265

ICMP redirect messages may crash or lock up a host...

CVE-1999-0454

A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso...

PT-2026-28331

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the icmp tag validation function. This function unconditionally dereferences a pointer without a preceding NULL check. Specifically, it dereferenc...

Unity Linux 20.1070e Security Update: iputils (UTSA-2025-993336)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993336 advisory. ping in iputils before 20250602 allows a denial of service application error or incorrect data collection via a crafted ICMP Echo Reply packet, because of a signed...