Medium severity5.9NVD Advisory· Published Mar 1, 2018· Updated Jun 17, 2026

CVE-2018-5500

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.

Affected products

F5, Inc./Big IPllm-fuzzy
Range: 13.0.0, 12.1.0 - 12.1.3.1, 11.6.1 - 11.6.2
F5, Inc./Big Ip (ltm, Aam, Afm, Analytics, Apm, Asm, DNS, Edge Gateway, Fps, Gtm, Link Controller, Pem, Webaccelerator)cpe-rescue
Range: 13.0.0

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/103217nvdThird Party AdvisoryVDB Entry
support.f5.com/csp/article/K33211839nvdVendor Advisory

News mentions

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cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000