Skip to content
CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-42409

BIG-IP HTTP/2 vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
f5

Description

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 not evaluated.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

F5 BIG-IP

Default version status: unknown

  • 21.1.0 to < *unaffected
  • 21.0.0 to < 21.0.0.1affected
  • 17.5.0 to < 17.5.1.4affected
  • 17.1.0 to < 17.1.3.1affected
  • 16.1.0 to < *affected

F5 BIG-IP Next SPK

Default version status: unknown

  • 2.0.0 to < 2.0.3affected
  • 1.7.0 to < 1.7.17affected

F5 BIG-IP Next CNF

Default version status: unknown

  • 2.0.0 to < 2.0.3affected
  • 1.4.0 to < 1.4.1affected

F5 BIG-IP Next for Kubernetes

Default version status: unknown

  • 2.0.0 to < 2.1.1affected

References