VIR Vulnerability Intelligence Relay

CVE-2016-6876

high
Published 2016-09-07 · Modified 2026-05-06
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CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

Description

The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.

Predictions

Exploit likelihood
83%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
f5big-ip_local_traffic_manager10.2.1
f5big-ip_local_traffic_manager10.2.2
f5big-ip_local_traffic_manager10.2.3
f5big-ip_local_traffic_manager10.2.4
f5big-ip_local_traffic_manager11.2.1
f5big-ip_local_traffic_manager11.4.0
f5big-ip_local_traffic_manager11.4.1
f5big-ip_local_traffic_manager11.5.0
f5big-ip_local_traffic_manager11.5.1
f5big-ip_local_traffic_manager11.5.2
f5big-ip_local_traffic_manager11.5.3
f5big-ip_local_traffic_manager11.5.4
f5big-ip_local_traffic_manager11.6.0
f5big-ip_local_traffic_manager12.0.0
f5big-ip_webaccelerator10.2.1
f5big-ip_webaccelerator10.2.2
f5big-ip_webaccelerator10.2.3
f5big-ip_webaccelerator10.2.4
f5big-ip_webaccelerator11.2.1
f5big-ip_application_acceleration_manager11.4.0
f5big-ip_application_acceleration_manager11.4.1
f5big-ip_application_acceleration_manager11.5.0
f5big-ip_application_acceleration_manager11.5.1
f5big-ip_application_acceleration_manager11.5.2
f5big-ip_application_acceleration_manager11.5.3
f5big-ip_application_acceleration_manager11.5.4
f5big-ip_application_acceleration_manager11.6.0
f5big-ip_application_acceleration_manager12.0.0
f5big-ip_global_traffic_manager10.2.1
f5big-ip_global_traffic_manager10.2.2
f5big-ip_global_traffic_manager10.2.3
f5big-ip_global_traffic_manager10.2.4
f5big-ip_global_traffic_manager11.2.1
f5big-ip_global_traffic_manager11.4.0
f5big-ip_global_traffic_manager11.4.1
f5big-ip_global_traffic_manager11.5.0
f5big-ip_global_traffic_manager11.5.1
f5big-ip_global_traffic_manager11.5.2
f5big-ip_global_traffic_manager11.5.3
f5big-ip_global_traffic_manager11.5.4
f5big-ip_global_traffic_manager11.6.0
f5big-ip_link_controller10.2.1
f5big-ip_link_controller10.2.2
f5big-ip_link_controller10.2.3
f5big-ip_link_controller10.2.4
f5big-ip_link_controller11.2.1
f5big-ip_link_controller11.4.0
f5big-ip_link_controller11.4.1
f5big-ip_link_controller11.5.0
f5big-ip_link_controller11.5.1
f5big-ip_link_controller11.5.2
f5big-ip_link_controller11.5.3
f5big-ip_link_controller11.5.4
f5big-ip_link_controller11.6.0
f5big-ip_link_controller12.0.0
f5big-ip_advanced_firewall_manager11.4.0
f5big-ip_advanced_firewall_manager11.4.1
f5big-ip_advanced_firewall_manager11.5.0
f5big-ip_advanced_firewall_manager11.5.1
f5big-ip_advanced_firewall_manager11.5.2
f5big-ip_advanced_firewall_manager11.5.3
f5big-ip_advanced_firewall_manager11.5.4
f5big-ip_advanced_firewall_manager11.6.0
f5big-ip_advanced_firewall_manager12.0.0
f5big-ip_protocol_security_module10.2.1
f5big-ip_protocol_security_module10.2.2
f5big-ip_protocol_security_module10.2.3
f5big-ip_protocol_security_module10.2.4
f5big-ip_protocol_security_module11.4.0
f5big-ip_protocol_security_module11.4.1
f5big-ip_wan_optimization_manager10.2.1
f5big-ip_wan_optimization_manager10.2.2
f5big-ip_wan_optimization_manager10.2.3
f5big-ip_wan_optimization_manager10.2.4
f5big-ip_wan_optimization_manager11.2.1
f5big-ip_application_security_manager10.2.1
f5big-ip_application_security_manager10.2.2
f5big-ip_application_security_manager10.2.3
f5big-ip_application_security_manager10.2.4
f5big-ip_application_security_manager11.2.1
f5big-ip_application_security_manager11.4.0
f5big-ip_application_security_manager11.4.1
f5big-ip_application_security_manager11.5.0
f5big-ip_application_security_manager11.5.1
f5big-ip_application_security_manager11.5.2
f5big-ip_application_security_manager11.5.3
f5big-ip_application_security_manager11.5.4
f5big-ip_application_security_manager11.6.0
f5big-ip_application_security_manager12.0.0
f5big-ip_policy_enforcement_manager11.4.0
f5big-ip_policy_enforcement_manager11.4.1
f5big-ip_policy_enforcement_manager11.5.0
f5big-ip_policy_enforcement_manager11.5.1
f5big-ip_policy_enforcement_manager11.5.2
f5big-ip_policy_enforcement_manager11.5.3
f5big-ip_policy_enforcement_manager11.5.4
f5big-ip_policy_enforcement_manager11.6.0
f5big-ip_policy_enforcement_manager12.0.0
f5big-ip_domain_name_system12.0.0
f5big-ip_analytics11.2.1
f5big-ip_analytics11.4.0
f5big-ip_analytics11.4.1
f5big-ip_analytics11.5.0
f5big-ip_analytics11.5.1
f5big-ip_analytics11.5.2
f5big-ip_analytics11.5.3
f5big-ip_analytics11.5.4
f5big-ip_analytics11.6.0
f5big-ip_analytics12.0.0
f5big-ip_edge_gateway10.2.1
f5big-ip_edge_gateway10.2.2
f5big-ip_edge_gateway10.2.3
f5big-ip_edge_gateway10.2.4
f5big-ip_edge_gateway11.2.1
f5big-ip_access_policy_manager10.2.1
f5big-ip_access_policy_manager10.2.2
f5big-ip_access_policy_manager10.2.3
f5big-ip_access_policy_manager10.2.4
f5big-ip_access_policy_manager11.2.1
f5big-ip_access_policy_manager11.4.0
f5big-ip_access_policy_manager11.4.1
f5big-ip_access_policy_manager11.5.0
f5big-ip_access_policy_manager11.5.1
f5big-ip_access_policy_manager11.5.2
f5big-ip_access_policy_manager11.5.3
f5big-ip_access_policy_manager11.5.4
f5big-ip_access_policy_manager11.6.0
f5big-ip_access_policy_manager12.0.0

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.