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TI-2018-04035 Aliases CVE-2018-5530GHSA-5wcx-3ffq-75xq

Uncontrolled resource consumption in F5 BIG-IP

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, or 11.6.0-11.6.3.1 virtual servers with HTTP/2 profiles enabled are vulnerable to "HPACK Bomb".

Why it matters now

EPSS 0.01759 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, Edge Gateway, PEM, WebSafe)13.0.0-13.1.0.5; 12.1.0-12.1.3.5; 11.6.0-11.6.3.1—No fix listedCNA
  • BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, Edge Gateway, PEM, WebSafe) VendorF5 Affected 13.0.0-13.1.0.5; 12.1.0-12.1.3.5; 11.6.0-11.6.3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5VulnerableF5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* Versions 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.5; 13.0.0 – 13.1.0.5 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5530
  2. 2026-10-03 Alias added: GHSA-5wcx-3ffq-75xq

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
See all 629 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences