Out-of-bounds Read in Apple iOS

CVE-2020-3870

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciously crafted image may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3870?
CVE-2020-3870 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2020-02-27.
How severe is CVE-2020-3870?
High severity. CVSS v3 base score is 7.8 out of 10.