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TI-2019-04646 Aliases CVE-2019-6596GHSA-3crm-xx9m-c72v

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or…

Priority LOW 36Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when processing fragmented ClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted.

Why it matters now

EPSS 0.01376 72nd 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 (APM)14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, 11.5.1-11.5.8—No fix listedCNA
  • BIG-IP (APM) VendorF5 Affected 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, 11.5.1-11.5.8 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*11.5.1 – 11.5.8; 11.6.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.8; 11.6.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6596
  2. 2026-10-03 Alias added: GHSA-3crm-xx9m-c72v

References

  • 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