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I. Basic Information for CVE-2021-30755
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5. An out-of-bounds read was addressed with improved input validation.
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 多款产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple tvOS等都是美国苹果(Apple)公司的产品。Apple tvOS是一套智能电视操作系统。tvOS是一套智能电视操作系统。Apple watchOS是一套智能手表操作系统。 Apple 多款产品存在安全漏洞,该漏洞源于软件中存在越界读取问题。处理恶意制作的字体可能会导致进程内存的泄露。这个问题修复了macOS大苏尔11.4,tvOS 14.6, watchOS 7.5。使用改进的输入验证解决了越界读取问题。
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 ~ 11.4 -
ApplemacOS unspecified ~ 14.6 -
ApplemacOS unspecified ~ 7.5 -
II. Public POCs for CVE-2021-30755
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III. Intelligence Information for CVE-2021-30755
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IV. Related Vulnerabilities
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