SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-5058

Memory leak in the virtual server component in F5 Big-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.5.x before 11.5.1 HF10, 11.5.3 before HF1, and 11.6.0 before HF5, BIG-IQ Cloud, Device, and Security 4.4.0 through 4.5.0, and…

HIGH 7.8EPSS 1.91%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory leak in the virtual server component in F5 Big-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.5.x before 11.5.1 HF10, 11.5.3 before HF1, and 11.6.0 before HF5, BIG-IQ Cloud, Device, and Security 4.4.0 through 4.5.0, and BIG-IQ ADC 4.5.0 allows remote attackers to cause a denial of service (memory consumption) via a large number of crafted ICMP packets.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
1.91% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-399
Affected
f5/big-ip access policy manager · f5/big-ip advanced firewall manager · f5/big-ip analytics · f5/big-ip application acceleration manager · f5/big-ip application security manager · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip local traffic manager · f5/big-iq adc · f5/big-iq cloud · f5/big-iq device · f5/big-iq security
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.91%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.