CVE-2019-6631

HIGH

BIG-IP 11.5.2-11.6.3 - Denial of Service via iRules HTTP Header Manipulation

Title source: llm
STIX 2.1

Description

On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing traffic handled by a Virtual Server with an associated HTTP profile, in specific circumstances, when the requests do not strictly conform to RFCs.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K19501795
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/109119

Scores

CVSS v3 7.5
EPSS 0.0105
EPSS Percentile 77.8%
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 (13)
f5/big-ip_access_policy_manager 11.5.2 - 11.6.4
f5/big-ip_advanced_firewall_manager 11.5.2 - 11.6.4
f5/big-ip_analytics 11.5.2 - 11.6.4
f5/big-ip_application_acceleration_manager 11.5.2 - 11.6.4
f5/big-ip_application_security_manager 11.5.2 - 11.6.4
f5/big-ip_domain_name_system 11.5.2 - 11.6.4
f5/big-ip_edge_gateway 11.5.2 - 11.6.4
f5/big-ip_global_traffic_manager 11.5.2 - 11.6.4
f5/big-ip_link_controller 11.5.2 - 11.6.4
f5/big-ip_local_traffic_manager 11.5.2 - 11.6.4
... and 3 more
Published Jul 03, 2019
Tracked Since Feb 18, 2026