Out-of-bounds Read in Apple macOS

CVE-2019-8603

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Mojave 10.14.5. An application may be able to read restricted memory.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-8603: held from 0.012 to 0.012.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-8603?
CVE-2019-8603 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2019-12-18.
How severe is CVE-2019-8603?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-8603 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.