VulnerabilityModified
CVE-2020-27906
Multiple integer overflows were addressed with improved input validation.
HIGH 8.8EPSS 2.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.89% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-787
- Affected
- apple/macos
- Source
- product-security@apple.com
References
- http://seclists.org/fulldisclosure/2020/Dec/26Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/kb/HT212011Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/26Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/kb/HT212011Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.