Vulnerability in Apple macOS
CVE-2021-30844
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
EPSS: 0.017 (75.4th 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:H/I:N/A:N.
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, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30844?
- CVE-2021-30844 is a high-severity vulnerability in Apple macOS, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2021-10-19.
- How severe is CVE-2021-30844?
- High severity. CVSS v3 base score is 7.5 out of 10.