VULNERABILITY INTELLIGENCE
CVE-2026-42409
CVSS score7.5 HIGH
EPSS probability0.26%
CISA KEVNot currently listed
Published2026-05-13
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- f5sirt@f5.com: CWE-476
Primary references
- f5sirt@f5.com — Mitigation, Vendor Advisory