Buffer overflow in Apple macOS
CVE-2021-1828
A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An application may be able to cause unexpected system termination or write kernel memory.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.5th 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:N/I:H/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.14.6, 10.15.6, 10.15.7
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1828?
- CVE-2021-1828 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2021-09-08.
- How severe is CVE-2021-1828?
- High severity. CVSS v3 base score is 7.1 out of 10.