Out-of-bounds Read in Apple macOS
CVE-2020-3877
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x
- Apple Watchos — versions unspecified
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3877?
- CVE-2020-3877 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-02-27.
- How severe is CVE-2020-3877?
- High severity. CVSS v3 base score is 7.5 out of 10.