Description
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K94563344
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/108190
Scores
CVSS v3
7.5
EPSS
0.0074
EPSS Percentile
73.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (8)
f5/big-ip_access_policy_manager
12.1.0 - 12.1.4.1
f5/big-ip_advanced_firewall_manager
12.1.0 - 12.1.4.1
f5/big-ip_application_acceleration_manager
12.1.0 - 12.1.4.1
f5/big-ip_application_security_manager
12.1.0 - 12.1.4.1
f5/big-ip_link_controller
12.1.0 - 12.1.4.1
f5/big-ip_local_traffic_manager
12.1.0 - 12.1.4.1
f5/big-ip_policy_enforcement_manager
12.1.0 - 12.1.4.1
f5/big-ip_webaccelerator
12.1.0 - 12.1.4.1
Published
May 03, 2019
Tracked Since
Feb 18, 2026