CVE-2026-40618

When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition VE without Intel QuickAssist Technology QAT or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, undisclosed traffic can cause the Traffic Management Microkernel TMM to...

CVE-2026-40629

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40067

When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40423

When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39458

When a BIG-IP DNS profile enabled with DNS cache is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39455

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-34019

When Bidirectional Forwarding Detection BFD is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel TMM to stop processing BFD packets and cause the configured routing protocol to fail over. Note: Software versions which have reached...

CVE-2026-28758

When BIG-IP DNS is provisioned, a vulnerability exists in the gtmadd and bigipadd iControl REST commands that return the ssh-password parameter in cleartext in the iControl REST response and is also logged in the audit log. This may allow a highly privileged, authenticated attacker with access to...

CVE-2026-40423

CVE-2026-40423 affects BIG-IP SIP profile on a virtual server. Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate, disrupting traffic and allowing a remote, unauthenticated attacker to trigger a DoS. Impact is shown as HIGH (CVSS v3.1: 7.5) and HIGH (CVSS v4.0: 8....

CVE-2026-40423 BIG-IP SIP profile vulnerability

When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39458

CVE-2026-39458 affects BIG-IP DNS when a DNS cache profile is enabled on a virtual server, causing the Traffic Management Microkernel (TMM) to terminate and disrupt traffic (DoS). Exploitation details are not provided in the documents. Affected/fixed status per F5 advisory: BIG-IP (all modules) 2...

CVE-2026-39458 BIG-IP DNS Cache vulnerability

When a BIG-IP DNS profile enabled with DNS cache is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39458 BIG-IP DNS Cache vulnerability

When a BIG-IP DNS profile enabled with DNS cache is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39455 BIG-IP Configuration utility vulnerability

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-39455 BIG-IP Configuration utility vulnerability

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-41227 BIG-IP HTTP/2 Layer 7 Dos Protection vulnerability

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-41227 BIG-IP HTTP/2 Layer 7 Dos Protection vulnerability

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42409

When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are...

CVE-2026-41956

CVE-2026-41956 affects BIG-IP TMM. When a classification profile is configured on a UDP virtual server, undisclosed requests can cause TMM termination, producing DoS on the BIG-IP data plane. From F5 advisories, vulnerable lines include BIG-IP (all modules) UDP virtual servers across 17.x and 21....

CVE-2026-42920

When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...