What is CVE-2016-4688?

CVE-2016-4688 is a high-severity vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-02-20.

How severe is CVE-2016-4688?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Apple Mac OS X

CVE-2016-4688

An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. tvOS before 10.0.1 is affected. watchOS before 3.1 is affected. watchOS before 3.1.3 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via a crafted font.

Vulnerability class: Buffer Overflow

EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2016-4688?: CVE-2016-4688 is a high-severity vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-02-20.
How severe is CVE-2016-4688?: High severity. CVSS v3 base score is 8.8 out of 10.