What is CVE-2018-1985?

CVE-2018-1985 is a medium-severity vulnerability in Apple macOS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 4.4/10. Published 2020-08-24.

How severe is CVE-2018-1985?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Buffer overflow in Apple macOS

CVE-2018-1985

IBM Trusteer Rapport/Apex 3.6.1908.22 contains an unused legacy driver which could allow a user with administrator privileges to cause a buffer overflow that would result in a kernel panic. IBM X-Force ID: 154207.

Vulnerability class: Buffer Overflow

Published 2020-08-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple macOS
IBM Security Rapport
IBM Security Rapport For macOS — versions 3.6.1908.22
IBM Security Trusteer Rapport — versions 3.6.1908.22

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/154207 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1985?: CVE-2018-1985 is a medium-severity vulnerability in Apple macOS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 4.4/10. Published 2020-08-24.
How severe is CVE-2018-1985?: Medium severity. CVSS v3 base score is 4.4 out of 10.