VULNERABILITY INTELLIGENCE

CVE-2018-5500

CVSS score5.9 MEDIUM

EPSS probability1.34%

CISA KEVNot currently listed

Published2018-03-01

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

CWE-400: Uncontrolled Resource Consumption

Primary references

f5sirt@f5.com — Third Party Advisory, VDB Entry
f5sirt@f5.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory