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OpenAdvisories
Medium · 6.5 CVE-2026-42781 EUVD-2026-30002GHSA-543h-qfcx-5xww

BIG-IP FastL4 virtual server vulnerability

Published May 13, 2026 · Updated May 13, 2026 · Assigned by f5

Description

When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 21.0.0 – < 21.0.0.1, 17.5.0 – < 17.5.1.4, 17.1.0 – < 17.1.3.1 21.0.0.1

Advisories 2

References