CVE-2015-5516

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-01-20 · updated 2026-06-17
Weakness: CWE-399

Description

Memory leak in the last hop kernel module in F5 BIG-IP LTM, GTM, and Link Controller 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.x before HF6, BIG-IP AAM 11.4.x, 11.5.x before 11.5.3 HF2 and 11.6.0 before HF6, BIG-IP AFM and PEM 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP Analytics 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP APM and ASM 10.1.0 through 10.2.4, 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP Edge Gateway, WebAccelerator, and WOM 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, and 11.3.0, BIG-IP PSM 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, 11.3.x, and 11.4.x before 11.4.1 HF, Enterprise Manager 3.0.0 through 3.1.1, BIG-IQ Cloud and Security 4.0.0 through 4.5.0, BIG-IQ Device 4.2.0 through 4.5.0, and BIG-IQ ADC 4.5.0 might allow remote attackers to cause a denial of service (memory consumption) via a large number of crafted UDP packets.

Affected products

F5 BIG-IP APM: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+12)
BIG-IP: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+2)
F5 Big-Ip Analytics: 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0 (+6)
F5 Networks, Inc. BIG-IP (AAM): 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3 (+1)
BIG-IP ASM: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+12)
F5 Big-Ip Edge Gateway: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+5)
F5 Networks BIG-IP, Enterprise Manager: 3.0.0, 3.1.0, 3.1.1
F5 Big-Ip Global Traffic Manager: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+12)
F5 Big-Ip Link Controller: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+12)
F5 BIG-IP (LTM): 10.0.0, 10.0.1, 10.1.0, 10.2.0, 10.2.1, 10.2.2 (+14)
F5 Networks, Inc. BIG-IP (PEM): 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+2)
F5 Big-Ip Protocol Security Module: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+7)
F5 Big-Ip Wan Optimization Manager: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+5)
F5 Big-Ip Webaccelerator: 10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4 (+5)
F5 Big-Iq Application Delivery Controller: 4.5.0
F5 Big-Iq Cloud: 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0
F5 Big-Iq Device: 4.2.0, 4.3.0, 4.4.0, 4.5.0
F5 Big-Iq Security: 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0

References

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