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CVE-2026-42920
HIGH
CVSS: 7.5
Published: 2026-05-13
Modified: 2026-06-18
Description
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.
Affected Platforms
F5 Big-Ip Access Policy ManagerF5 Big-Ip Ssl OrchestratorF5 Big-Ip Container Ingress ServicesF5 Big-Ip Edge GatewayF5 Big-Ip Advanced Firewall ManagerF5 Big-Ip Application Security ManagerF5 Big-Ip AnalyticsF5 Big-Ip Global Traffic ManagerF5 Big-Ip WebacceleratorF5 Big-Ip Ddos Hybrid Defender