All vulnerabilities

Servers and applications

CVE-2018-5500

On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP (MCTCP) feature enabled will be affected by this issue.

Severity
Medium 5.9
Published
1 Mar 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.3% in the next 30 daysHigher than 71% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.6.1 up to 11.6.2
  • From 12.1.0 up to 12.1.3.1
  • Version 13.0.0
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.6.1 up to 11.6.2
  • From 12.1.0 up to 12.1.3.1
  • Version 13.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-5500
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-5500