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Vulnerability record · CVE-2016-7476 · published 11 May 2017

CVE-2016-7476: F5 big-ip websafe improper input validation vulnerability

F5 · Big Ip Websafe

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.

7.5 CVSS 3.0 High EPSS 2.4% · top 16.4% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.

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

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/94353 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037274
https://support.f5.com/csp/#/article/K87416818 Vendor Advisory
http://www.securityfocus.com/bid/94353 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037274
https://support.f5.com/csp/#/article/K87416818 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-7476), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.