High severity · published May 11, 2017
CVE-2016-7476
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…
7.5
CVSS
2.4%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BA
Big-ip Application Security Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BL
Big-ip Link Controller · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +2 more · source: NVD
BP
Big-ip Protocol Security Module · F5
11.3.0; 11.4.0; 11.4.1 · source: NVD
BW
Big-ip Websafe · F5
11.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7476
Third Party Advisory
http://www.securityfocus.com/bid/94353
www.securitytracker.com
http://www.securitytracker.com/id/1037274
Vendor Advisory
https://support.f5.com/csp/#/article/K87416818
More from Big-ip Access Policy Manager
9.8
CVE-2026-94127
BIG-IP APM OAuth vulnerability
9.8
CVE-2025-53521
BigIP APM Vulnerability
9.8
CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
9.8
CVE-2022-1388
F5 BIG-IP Missing Authentication Vulnerability
9.8
CVE-2021-22991
F5 BIG-IP Traffic Management Microkernel Buffer Overflow