CVE-2021-30799: CVE-2021-30799

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I. Basic Information for CVE-2021-30799

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. 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 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 11.5存在缓冲区错误漏洞，该漏洞源于WebKit处理HTML内容时出现边界错误。远程攻击者可利用该漏洞创建一个专门制作的网站，诱骗受害者打开它，引发内存损坏，并在目标系统上执行任意代码。

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

Vendor	Product	Affected Versions	CPE
Apple	Security Update - Catalina	unspecified ~ 2021	-
Apple	iOS	unspecified ~ 14.7	-
Apple	macOS	unspecified ~ 11.5	-
Apple	macOS	unspecified ~ 2021	-

II. Public POCs for CVE-2021-30799

#	POC Description	Source Link	Shenlong Link

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-30799

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https://support.apple.com/en-us/HT212603x_refsource_MISC
https://support.apple.com/en-us/HT212601x_refsource_MISC
https://support.apple.com/en-us/HT212600x_refsource_MISC
https://support.apple.com/en-us/HT212602x_refsource_MISC
https://nvd.nist.gov/vuln/detail/CVE-2021-30799

IV. Related Vulnerabilities

Same product: Security Update - Catalina

Same vendor: Apple

V. Comments for CVE-2021-30799

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I. Basic Information for CVE-2021-30799

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-30799

III. Intelligence Information for CVE-2021-30799

IV. Related Vulnerabilities

V. Comments for CVE-2021-30799

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