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I. Basic Information for CVE-2021-30977
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with kernel privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apple macOS Big Sur 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS Big Sur是美国苹果(Apple)公司的一个手机应用APP。 Apple macOS Big Sur 存在缓冲区错误漏洞,该漏洞允许恶意应用程序能够以内核权限执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
ApplemacOS unspecified ~ 12.1 -
ApplemacOS unspecified ~ 11.6 -
ApplemacOS unspecified ~ 2021 -
II. Public POCs for CVE-2021-30977
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III. Intelligence Information for CVE-2021-30977
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IV. Related Vulnerabilities
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