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I. Basic Information for CVE-2021-23960
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
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
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 85.0版本之前存在安全漏洞。该漏洞源于对重新声明的JavaScript变量执行垃圾回收会导致中毒后使用，并可能使应用崩溃。
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
MozillaFirefox < 85 -
MozillaThunderbird < 78.7 -
MozillaFirefox ESR < 78.7 -
II. Public POCs for CVE-2021-23960
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III. Intelligence Information for CVE-2021-23960
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IV. Related Vulnerabilities
Same product: Firefox
Same vendor: Mozilla
V. Comments for CVE-2021-23960

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