When an HTTP profile with the Enforce RFC Compliance option is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When a BIG-IP APM virtual server is configured to use a PingAccess profile, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, when a HTTP profile with the non-default Enforcement options of Enforce HTTP Compliance and Unknown Methods: Reject are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When BIG-IP AFM is licensed and provisioned, undisclosed DNS traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When a virtual server is enabled with VLAN group and SNAT listener is configured, 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

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When a BIG-IP Advanced WAF or BIG-IP ASM policy with a Request Body Handling option is attached to a virtual server, undisclosed requests can cause the BD process to terminate. The condition results from setting the Request Body Handling option in the Header-Based Content Profile for an Allowed URL with "Apply value and content signatures and detect threat campaigns."  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When HTTP/2 is configured on BIG-IP or BIG-IP Next SPK systems, undisclosed responses can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. For the Application Visibility and Reporting module, this may occur when the HTTP Analytics profile with URLs enabled under Collected Entities is configured on a virtual server and the DB variables avr.IncludeServerInURI or avr.CollectOnlyHostnameFromURI are enabled. For BIG-IP Advanced WAF and ASM, this may occur when either a DoS or Bot Defense profile is configured on a virtual server and the DB variables avr.IncludeServerInURI or avr.CollectOnlyHostnameFromURI are enabled. Note: The DB variables avr.IncludeServerInURI and avr.CollectOnlyHostnameFromURI are not enabled by default. For more information about the HTTP Analytics profile and the Collect URLs setting, refer to K30875743: Create a new Analytics profile and attach it to your virtual servers https://my.f5.com/manage/s/article/K30875743 . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When a BIG-IP PEM classification profile is configured on a UDP virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. This issue affects classification engines using signatures released between 09-08-2022 and 02-16-2023. See the table in the F5 Security Advisory for a complete list of affected classification signature files.  NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When BIG-IP AFM Device DoS or DoS profile is configured with NXDOMAIN attack vector and bad actor detection, undisclosed queries can cause the Traffic Management Microkernel (TMM) to terminate.  NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When a BIG-IP ASM/Advanced WAF security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enabled and Anonymous Diffie-Hellman (ADH) ciphers enabled, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When Network Access is configured on a BIG-IP APM 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.

When a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When a Stream Control Transmission Protocol (SCTP) profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When a BIG-IP HTTP/2 httprouter profile is configured on a virtual server, undisclosed responses can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When a BIG-IP PEM system is licensed with URL categorization, and the URL categorization policy or an iRule with the urlcat command is enabled on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local Traffic Policy are associated with the virtual server, undisclosed requests can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When IPSec is configured on a Virtual Server, undisclosed traffic can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When BIG-IP Advanced WAF/ASM Behavioral DoS (BADoS) TLS Signatures feature is configured, undisclosed traffic can case an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When URL categorization is configured on a virtual server, undisclosed requests can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When BIG-IP AFM is provisioned with IPS module enabled and protocol inspection profile is configured on a virtual server or firewall rule or policy, undisclosed traffic can cause an increase in CPU resource utilization.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

When SIP Session and Router ALG profiles are configured on a Message Routing type 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.

When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations are in use, undisclosed traffic can cause an increase in memory and CPU resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

When SIP session Application Level Gateway mode (ALG) profile with Passthru Mode enabled and SIP router ALG profile are configured on a Message Routing type 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.

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and 13.1.x before 13.1.5.1, when a SIP profile is configured on a virtual server, undisclosed messages can cause an increase in memory resource utilization.

When a BIG-IP message routing profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

In BIG-IP Versions 16.1.x before 16.1.3, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when a BIG-IP APM access policy with Service Connect agent is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.

In BIG-IP Versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5.1, when a BIG-IP APM access policy 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.

In BIG-IP Versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, when an LTM virtual server is configured to perform normalization, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when the Message Routing (MR) Message Queuing Telemetry Transport (MQTT) profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 16.1.x before 16.1.3.1 and 15.1.x before 15.1.6.1, when an LTM Client or Server SSL profile with TLS 1.3 enabled is configured on a virtual server, along with an iRule that calls HTTP::respond, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when an HTTP2 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 16.1.x before 16.1.3.1 and 15.1.x before 15.1.6.1, and all versions of BIG-IQ 8.x, when the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver is used with BIG-IP or BIG-IQ on Amazon Web Services (AWS) systems, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Successful exploitation relies on conditions outside of the attacker's control. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 17.0.x before 17.0.0.1 and 16.1.x before 16.1.3.1, when source-port preserve-strict is configured on an HTTP Message Routing Framework (MRF) virtual server, undisclosed traffic may cause the Traffic Management Microkernel (TMM) to produce a core file and the connection to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, when a BIG-IP LTM Client SSL profile is configured on a virtual server to perform client certificate authentication with session tickets enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, on platforms with an ePVA and the pva.fwdaccel BigDB variable enabled, undisclosed requests to a virtual server with a FastL4 profile that has ePVA acceleration enabled can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

On F5 BIG-IP 16.1.x versions prior to 16.1.2 and 15.1.x versions prior to 15.1.5.1, when the DNS resolver configuration is used, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. This issue only impacts specific engineering hotfixes. NOTE: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.2.1.0.83.4-ENG Hotfix-BIGIP-12.1.4.1.0.97.6-ENG Hotfix-BIGIP-11.5.4.2.74.291-HF2

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, when the stream profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, when a Real Time Streaming Protocol (RTSP) profile is configured on a virtual server, undisclosed traffic can cause an increase in Traffic Management Microkernel (TMM) resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated