UpHeron
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Servers and applications

CVE-2019-6619

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.

Severity
High 7.5
Published
3 May 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
12.1.4.1, 13.1.1.5, 14.1.0.2
Exploit chance
1.8% in the next 30 daysHigher than 78% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 12.1.0 before 12.1.4.1
  • From 13.0.0 before 13.1.1.5
  • From 14.0.0 before 14.1.0.2
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 12.1.0 before 12.1.4.1
  • From 13.0.0 before 13.1.1.5
  • From 14.0.0 before 14.1.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6619
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6619