CVE-2017-6166

MEDIUM

F5 Big-ip Afm < 12.1.1 - Double Free

Title source: rule

Description

In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12.0.0 to 12.1.1, in some cases the Traffic Management Microkernel (TMM) may crash when processing fragmented packets. This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, it will trigger a failover to the peer device.

References (3)

Scores

CVSS v3 5.9
EPSS 0.0120
EPSS Percentile 78.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-415
Status draft

Affected Products (11)

f5/big-ip_afm < 12.1.1
f5/big-ip_analytics < 12.1.1
f5/big-ip_apm < 12.1.1
f5/big-ip_application_acceleration_manager < 12.1.1
f5/big-ip_asm < 12.1.1
f5/big-ip_dns < 12.1.1
f5/big-ip_link_controller < 12.1.1
f5/big-ip_ltm < 12.1.1
f5/big-ip_pem < 12.1.1
f5/f5_websafe < 12.1.1
f5/linerate < 2.6.2

Timeline

Published Nov 22, 2017
Tracked Since Feb 18, 2026