What is CVE-2018-4301?

CVE-2018-4301 is a critical-severity vulnerability in Apple Smart Card Services, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-01-08.

How severe is CVE-2018-4301?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Apple Smart Card Services

CVE-2018-4301

This issue is fixed in SCSSU-201801. A potential stack based buffer overflow existed in GemaltoKeyHandle.cpp.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (42.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Smart Card Services — versions unspecified
Apple Smart_card_services

Weakness classification (CWE)

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

References

product-security@apple.com (Third Party Advisory)

Frequently asked questions

What is CVE-2018-4301?: CVE-2018-4301 is a critical-severity vulnerability in Apple Smart Card Services, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-01-08.
How severe is CVE-2018-4301?: Critical severity. CVSS v3 base score is 9.8 out of 10.