CVE-2026-20074

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

CVE-2026-20074

The CVE concerns Cisco IOS XR Software’s IS-IS multi-instance routing feature. An unauthenticated, Layer-2 adjacent attacker can trigger the IS-IS process to restart by sending crafted ingress IS-IS packets after forming an adjacency, due to insufficient input validation. The resulting impact is ...

Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

PT-2026-24730

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

EUVD-2025-27686

Malicious code in bioql PyPI...

PT-2025-34887

Name of the Vulnerable Software and Affected Versions Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches Description A vulnerability exists in the Intermediate System-to-Intermediate System IS-IS feature. An unauthenticated, adjacent attacker could...

Cisco IOS Software Intermediate System to Intermediate System DoS (cisco-sa-isis-sGjyOUHX)

According to its self-reported version, Cisco IOS is affected by a vulnerability. - A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS...

The vulnerability of the System-to-Intermediate System Protocol Handler component in Cisco IOS XR allows a attacker to trigger a Denial-of-Service Attack (DoS).

The vulnerability of the System-to-Intermediate System Protocol Handler component in Cisco IOS XR software is related to insufficient validation of input packets of the IS-IS protocol. Exploiting this vulnerability can allow a malicious actor to trigger a Denial-of-Service attack...

Cisco IOS XR 安全漏洞

Cisco IOS XR is a set of operating systems developed by the U.S.-based Cisco for its network devices. A security vulnerability exists in Cisco IOS XR that stems from insufficient input validation of ingress IS-IS packets...

SUSE CVE-2003-0432

Ethereal 0.9.12 and earlier does not handle certain strings properly, with unknown consequences, in the 1 BGP, 2 WTP, 3 DNS, 4 802.11, 5 ISAKMP, 6 WSP, 7 CLNP, 8 ISIS, and 9 RMI dissectors...

SUSE CVE-2005-3241

Multiple vulnerabilities in Ethereal 0.10.12 and earlier allow remote attackers to cause a denial of service memory consumption via unspecified vectors in the 1 ISAKMP, 2 FC-FCS, 3 RSVP, and 4 ISIS LSP dissector...

Juniper Networks Junos OS Evolved 代码问题漏洞

Juniper Networks Junos OS Evolved is an upgraded version of Juniper Networks' Junos OS. Junos OS Evolved suffers from a code issue vulnerability that stems from a device configured with the ISIS Flexibility Algorithm for segmented routing and sensor-based statistics, where a single flap in an ISI...

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR allows a attacker to cause a service failure.

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR is related to errors in handling SNMP requests. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

CVE-2019-16027

A vulnerability in the implementation of the Intermediate SystemtoIntermediate System ISIS routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition in the ISIS process. The vulnerability is due to improper...

CVE-2019-16027 Cisco IOS XR Software Intermediate System–to–Intermediate System Denial of Service Vulnerability

A vulnerability in the implementation of the Intermediate SystemtoIntermediate System ISIS routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition in the ISIS process. The vulnerability is due to improper...

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR allows a attacker to cause a service failure.

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR operating systems is related to errors in the processing of IS-IS protocol data packets. Exploiting this vulnerability can allow a malicious actor to cause service failures...

CVE-2019-1910 Cisco IOS XR Software Intermediate System to Intermediate System Denial of Service Vulnerability

A vulnerability in the implementation of the Intermediate SystemtoIntermediate System ISIS routing protocol functionality in Cisco IOS XR Software could allow an unauthenticated attacker who is in the same ISIS area to cause a denial of service DoS condition. The vulnerability is due to incorrect...

PT-2003-1623 · Ethereal · Ethereal

Name of the Vulnerable Software and Affected Versions: Ethereal versions 0.9.12 and earlier Description: The issue is related to the improper handling of certain strings in multiple dissectors, including BGP, WTP, DNS, 802.11, ISAKMP, WSP, CLNP, ISIS, and RMI. The consequences of this issue are...