CVE-2026-20263 Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability

A vulnerability in the Blocks Extensible Exchange Protocol BEEP feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling when parsing a specific BEEP SOAP...

CVE-2026-20124 Cisco IOS XE Software SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This vulnerability is due to improper error handling when parsing...

EUVD-2026-53449

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This vulnerability is due to improper error handling when parsing...

Cisco IOS XE Software SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This vulnerability is due to improper error handling when parsing...

Cisco IOS XE Software Security Hardening Release: August 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Thes...

PT-2026-68235

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue exists involving improper restriction of operations within the bounds of a memory buffer. This is categorized under CWE-119, which refers to memory corruption...

PT-2026-68240

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description Improper input validation issues were identified during an internal security review. These issues fall under the Common Weakness Enumeration CWE Pillar CWE-20, which refers to t...

PT-2026-68234

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description Improper access control issues were identified during an internal security review. These issues fall under the Common Weakness Enumeration CWE Pillar CWE-284, which refers to...

PT-2026-68237

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An internal security review identified issues related to incorrect calculations. These issues fall under the category of CWE-682, which refers to a correctness check that is...

PT-2026-68239

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue exists involving the improper neutralization of special elements, which falls under the category of CWE-74. This was identified during an internal security review...

PT-2026-68233

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue in the Blocks Extensible Exchange Protocol BEEP feature allows an unauthenticated remote attacker to trigger a denial of service DoS condition. The flaw stems from...

PT-2026-68236

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue exists involving improper control of a resource through its lifetime, which falls under the Common Weakness Enumeration CWE Pillar CWE-664. This was identified during a...

PT-2026-68238

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description Insufficient control flow management issues were identified during an internal security review. These issues fall under the Common Weakness Enumeration CWE Pillar CWE-691, which...

Cisco IOS Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco IOS is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to...

Cisco IOS XE Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco IOS-XE Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the...

AlmaLinux 9 : kernel (ALSA-2026:45192)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:45192 advisory. kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: dm log: fix out-of-bounds write due to regioncount...

Cisco Firepower Threat Defense (FTD) Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated,...

Cisco IOS XE Software for Catalyst 9000 Series Switches DHCP Snooping DoS (cisco-sa-bootp-WuBhNBxA)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause BOOTP packets to be forwarded between VLANs, resulting in a denial of...

Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

On August 5, 2026, the Cisco Product Security Incident Response Team PSIRT published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux SIG Cloud 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux...