CVE-2021-1867 in macOS

Summary

by MITRE • 09/08/2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

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• Reservation: 12/08/2020
• Disclosure: 09/08/2021
• Moderation: accepted
• Entry: 2
• Relate: show
• CPE: ready
• CWE: CWE-125 (confirmed)
• CVSS: 7.8 (VulDB)
• EPSS: 0.01794
• KEV: no
• Activities: very low
• Sector: Industry, Telecommunication, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2021-1867
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-1867
• CVE Details: https://www.cvedetails.com/cve/CVE-2021-1867/