What is CVE-2019-8840?

CVE-2019-8840 is a high-severity vulnerability in Apple Xcode, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2020-10-27.

How severe is CVE-2019-8840?

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

Out-of-bounds Read in Apple Xcode

CVE-2019-8840

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Xcode 11.3. Compiling with untrusted sources may lead to arbitrary code execution with user privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Xcode — versions unspecified

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8840?: CVE-2019-8840 is a high-severity vulnerability in Apple Xcode, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2020-10-27.
How severe is CVE-2019-8840?: High severity. CVSS v3 base score is 8.8 out of 10.