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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
F5 BIG-IP HTTP/2 Request Processing Flaw Lets Remote Users Cause the Target TMM Component to Crash
SecurityTracker Alert ID:  1040804
SecurityTracker URL:
CVE Reference:   CVE-2018-5514   (Links to External Site)
Date:  May 1 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 13.1.0
Description:   A vulnerability was reported in F5 BIG-IP. A remote user can cause the target service to crash.

A remote user can send specially crafted HTTP/2 request frames to cause the target Traffic Management Microkernel (TMM) component to restart, interrupting traffic processing.

The control plane is not affected.

Virtual servers with the HTTP2 profile enabled are affected.

The vendor has assigned ID 707186 to this vulnerability.

Impact:   A remote user can cause the target TMM component to restart.
Solution:   F5 has issued a fix (

The F5 advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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