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I. Basic Information for CVE-2021-30809
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.
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 tvOS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple tvOS存在安全漏洞，该漏洞源于处理恶意制作的网页内容可能会导致任意代码执行。
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
AppleiOS and iPadOS unspecified ~ 15 -
AppletvOS unspecified ~ 15 -
AppleSafari unspecified ~ 15 -
ApplewatchOS unspecified ~ 8 -
II. Public POCs for CVE-2021-30809
#POC DescriptionSource LinkShenlong Link
1CVE-2021-30809 UAF use-after-free PoChttps://github.com/seregonwar/CVE-2021-30809-UAFPOC Details
2CVE-2021-30809 UAF use-after-free PoChttps://github.com/seregonwar/CVE-2021-30809-OOMPOC Details
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III. Intelligence Information for CVE-2021-30809
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IV. Related Vulnerabilities
Same product: iOS and iPadOS
Same vendor: Apple
V. Comments for CVE-2021-30809

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