CVE-2026-76447 Cisco Identity Services Engine Certificate Reload Vulnerability

A vulnerability in the Online Certificate Status Protocol OCSP responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a...

EUVD-2026-81165

A vulnerability in the Online Certificate Status Protocol OCSP responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a...

CVE-2026-76447 Cisco Identity Services Engine Certificate Reload Vulnerability

A vulnerability in the Online Certificate Status Protocol OCSP responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a...

CVE-2026-20248

CVE-2026-20248 affects the DNS over TCP implementation in Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco Secure Firewall Threat Defense (FTD) Software. The root cause is a logic error in parsing DNS queries and tracking the size of incoming buffers. An unauthenticated, remote a...

EUVD-2026-81143

A vulnerability in the DNS over TCP implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the TCP DNS response handler to unexpectedly restart, causing the...

CVE-2026-20248 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability

A vulnerability in the DNS over TCP implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the TCP DNS response handler to unexpectedly restart, causing the...

CVE-2026-20222

CVE-2026-20222 affects the EIGRP implementation in Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software. The root cause is improper resource management when processing EIGRP update messages. An unauthenticated, adjacent attacker can send crafted EIGRP updates...

CVE-2026-20135

Cisco Secure Firewall Threat Defense (FTD) Software is vulnerable to a denial of service (DoS) via its TLS 1.3 implementation . The root cause is improper buffer management during TLS 1.3 connections. An unauthenticated, remote attacker can trigger a DoS by sending a crafted TLS 1.3 packet to a T...

CVE-2026-20249 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

A vulnerability in the certification authentication feature of Internet Key Exchange version 2 IKEv2 for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device...

EUVD-2026-81112

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

CVE-2026-20250 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

CVE-2026-20250 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

CVE-2026-20250

Cisco Secure Firewall ASA and FTD Software for 3100 Series and 4200 Series devices are affected by a Denial of Service vulnerability in Datagram TLS (DTLS) message handling . The root cause is improper resource management when processing certain DTLS messages. An unauthenticated, remote attacker ...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

Cisco Identity Services Engine Authentication Bypass Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow a remote attacker to access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. For more information...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability

A vulnerability in the DNS over TCP implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the TCP DNS response handler to unexpectedly restart, causing the...

CVE-2026-76447: Missing Authentication for Critical Function

A vulnerability in the Online Certificate Status Protocol OCSP responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: scsi: fcoe: Fixed the issue where the transport object wasn’t detached when fcoeifinit failed. The fcoeinit function calls fcoetransportattach&fcoeswtransport. However, when fcoeifinit fails, the &fcoeswtransport isn’t detache...

Astra Linux – Vulnerability in Firefox

There was a use-after-free condition in NotifyOnHistoryReload. In this process, an LoadingSessionHistoryEntry object was freed, but a reference to that object remained. This created a potentially exploitable condition when the reference to that object was later reused. This vulnerability affects...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3: Fixed a kernel crash that occurred when devlink reloaded during pf initialization. The devlink reloading process will access hardware resources, but the register operations are performed before the hardware is...