Buffer overflow in Apple macOS
CVE-2020-27906
Multiple integer overflows were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to cause unexpected application termination or heap corruption.
Vulnerability class: Integer Overflow
EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apple Macos — versions unspecified
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27906?
- CVE-2020-27906 is a high-severity vulnerability in Apple macOS, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2020-12-08.
- How severe is CVE-2020-27906?
- High severity. CVSS v3 base score is 8.8 out of 10.