CVE-2019-6671

HIGH

BIG-IP 13.1.0-13.1.3.1, 14.0.0-14.1.2, 15.0.0-15.0.1 - Use-After-Free in Packet Fragment Processing

Title source: llm
STIX 2.1

Description

On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, under certain conditions tmm may leak memory when processing packet fragments, leading to resource starvation.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K39225055

Scores

CVSS v3 7.5
EPSS 0.0089
EPSS Percentile 75.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (13)
f5/big-ip_access_policy_manager 13.1.0 - 13.1.3.1
f5/big-ip_advanced_firewall_manager 13.1.0 - 13.1.3.1
f5/big-ip_analytics 13.1.0 - 13.1.3.1
f5/big-ip_application_acceleration_manager 13.1.0 - 13.1.3.1
f5/big-ip_application_security_manager 13.1.0 - 13.1.3.1
f5/big-ip_domain_name_system 13.1.0 - 13.1.3.1
f5/big-ip_edge_gateway 13.1.0 - 13.1.3.1
f5/big-ip_fraud_protection_service 13.1.0 - 13.1.3.1
f5/big-ip_global_traffic_manager 13.0.0 - 13.1.3.1
f5/big-ip_link_controller 13.1.0 - 13.1.3.1
... and 3 more
Published Nov 27, 2019
Tracked Since Feb 18, 2026