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I. Basic Information for CVE-2021-43539
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
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 ESR 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox ESR是美国Mozilla基金会的Firefox(Web浏览器)的一个延长支持版本。 Mozilla Firefox ESR存在资源管理错误漏洞,该漏洞源于在wasm实例调用中正确记录活动指针的位置失败,导致在调用中发生GC,而没有跟踪那些活动指针。这可能会导致使用后无导致潜在的利用崩溃。此漏洞影响雷鸟< 91.4.0,Firefox ESR < 91.4.0和Firefox < 95。
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
MozillaThunderbird unspecified ~ 91.4.0 -
MozillaFirefox ESR unspecified ~ 91.4.0 -
MozillaFirefox unspecified ~ 95 -
II. Public POCs for CVE-2021-43539
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III. Intelligence Information for CVE-2021-43539
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IV. Related Vulnerabilities
V. Comments for CVE-2021-43539

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