Out-of-bounds Read in Apple macOS
CVE-2021-30880
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (52.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.15.7
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-30880?
- CVE-2021-30880 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-08-24.
- How severe is CVE-2021-30880?
- High severity. CVSS v3 base score is 7.1 out of 10.