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I. Basic Information for CVE-2021-21779
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apple Safari 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple Safari是美国苹果(Apple)公司的一款Web浏览器,是Mac OS X和iOS操作系统附带的默认浏览器。 Apple Safari 中存在资源管理错误漏洞,该漏洞源于GraphicsContext 处理某些事件的方式中存在一个释放后重用漏洞。 特制网页可能导致潜在的信息泄漏和进一步的内存损坏。 必须诱骗受害者访问恶意网页才能触发此漏洞。
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
-Webkit Webkit WebKitGTK 2.30.4 -
II. Public POCs for CVE-2021-21779
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III. Intelligence Information for CVE-2021-21779
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IV. Related Vulnerabilities
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