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OpenAdvisories
High · 7.5 CVE-2025-55669 EUVD-2025-34649GHSA-5r25-m2h9-w299

BIG-IP HTTP/2 vulnerability

Published Oct 15, 2025 · Updated Feb 26, 2026 · Assigned by f5

Description

When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are 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.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 17.1.0 – < 17.1.2.2, 16.1.0 – < 16.1.6 17.1.2.2

Advisories 2

References