CVE-2019-6619

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CVSS 3.1

7.5 high

EPSS

2%p77

Published

May 3, 2019 (May 3, 2019)

Modified

Jun 17, 2026

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.

Vendors: f5
Products: big-ip access policy manager, big-ip advanced firewall manager, big-ip application acceleration manager, big-ip link controller, big-ip policy enforcement manager, big-ip webaccelerator, big-ip application security manager, big-ip local traffic manager
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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