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...

EUVD-2026-2698

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...

CVE-2026-21906 Junos OS: SRX Series: With GRE performance acceleration enabled, receipt of a specific ICMP packet causes the PFE to crash

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...

CVE-2026-21906 Junos OS: SRX Series: With GRE performance acceleration enabled, receipt of a specific ICMP packet causes the PFE to crash

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...

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...

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...

MiracleLinux 4 : openswan-2.6.32-9.0.1.AXS4 (AXSA:2012-70:01)

The remote MiracleLinux 4 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2012-70:01 advisory. Openswan is a free implementation of IPsec & IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication...

MiracleLinux 3 : ipsec-tools-0.6.5-13AXS3.1 (AXSA:2009-435:03)

The remote MiracleLinux 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2009-435:03 advisory. This is the IPsec-Tools package. You need this package in order to really use the IPsec functionality in the linux-2.5+ kernels. This package builds:...

MiracleLinux 3 : ipsec-tools-0.6.5-8.2AXS3 (AXSA:2009-67:01)

The remote MiracleLinux 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2009-67:01 advisory. This is the IPsec-Tools package. You need this package in order to really use the IPsec functionality in the linux-2.5+ kernels. This package builds: ...

MiracleLinux 3 : ipsec-tools-0.6.5-8.1AXS3 (AXSA:2008-273:01)

The remote MiracleLinux 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2008-273:01 advisory. The ipsec-tools package is used in conjunction with the IPsec functionality in the Linux kernel and includes racoon, an IKEv1 keying daemon...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed IPsec cleanup over MPV devices When we call mlx5edetachnetdev, we ultimately disable the blocking event notifier. Among these events are IPsec MPV events from the IB to the core. Therefore, before disabling tho...

MiracleLinux 9 : kernel-5.14.0-503.19.1.el9_5 (AXSA:2025-9562:06)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-9562:06 advisory. kernel: Bluetooth: l2cap: fix null-ptr-deref in l2capchantimeout CVE-2024-27399 kernel: bpf: Add BPFPROGTYPECGROUPSKB attach type enforcement in...

CVE-2009-4922

Unspecified vulnerability on Cisco Adaptive Security Appliances ASA 5580 series devices with software before 8.12 allows remote authenticated users to cause a denial of service traceback by establishing many IPsec L2L tunnels from remote peer IP addresses, aka Bug ID CSCso15583...

CVE-2003-1004

Cisco PIX firewall 6.2.x through 6.2.3, when configured as a VPN Client, allows remote attackers to cause a denial of service dropped IPSec tunnel connection via an IKE Phase I negotiation request to the outside interface of the firewall...

CVE-2022-23024

On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.2, and all versions of 13.1.x, when the IPsec application layer gateway ALG logging profile is configured on an IPsec ALG virtual server, undisclosed IPsec traffic can cause the Traffic Management Microkernel T...

CVE-2022-23746

The IPsec VPN blade has a dedicated portal for downloading and connecting through SSL Network Extender SNX. If the portal is configured for username/password authentication, it is vulnerable to a brute-force attack on usernames and passwords...

CVE-2020-12142

1. IPSec UDP key material can be retrieved from machine-to-machine interfaces and human-accessible interfaces by a user with admin credentials. Such a user, with the required system knowledge, could use this material to decrypt in-flight communication. 2. The vulnerability requires administrative...

CVE-2023-49692

A vulnerability has been identified in RUGGEDCOM RM1224 LTE4G EU 6GK6108-4AM00-2BA2 All versions V7.2.2, RUGGEDCOM RM1224 LTE4G NAM 6GK6108-4AM00-2DA2 All versions V7.2.2, SCALANCE M804PB 6GK5804-0AP00-2AA2 All versions V7.2.2, SCALANCE M812-1 ADSL-Router 6GK5812-1AA00-2AA2 All versions V7.2.2,...

CVE-1999-0727

A kernel leak in the OpenBSD kernel allows IPsec packets to be sent unencrypted...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000449)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000449 advisory. A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is...