Integer overflow in F5 Big-Ip Access Policy Manager

CVE-2018-14634

An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.

Vulnerability class: Integer Overflow

EPSS: 0.147 (96.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-14634?
CVE-2018-14634 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-09-25.
How severe is CVE-2018-14634?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-14634 known to be exploited?
Yes. CVE-2018-14634 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-01-26), indicating it is being actively exploited. 23 public proof-of-concept repositories are indexed.