CVE-2020-27906
Multiple integer overflows were addressed with improved input validation. This issue is fixed in...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-27906- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-190, CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-27906- Updated
- 2026-11-02
EUVDEUVD-2020-20399 No score
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.
- Record
EUVD-2020-20399- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h5vh-qch6-xh9m No score
Multiple integer overflows were addressed with improved input validation. This issue is fixed in...
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.
- Record
GHSA-h5vh-qch6-xh9m- Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27906 is a high vulnerability (CVSS 8.8) in Apple Macos, published December 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.89%, the 87th percentile. No source names a fixed version.