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I. Basic Information for CVE-2023-4577
Vulnerability Information
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Vulnerability Title
Memory corruption in JIT UpdateRegExpStatics
Source: NVD (National Vulnerability Database)
Vulnerability Description
When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
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 存在安全漏洞，该漏洞源于当UpdateRegExpStatics尝试访问时initialStringHeap，它可能在进入该函数之前就已被垃圾收集，这可能会导致可利用的崩溃。
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 unspecified ~ 117 -
MozillaFirefox ESR unspecified ~ 115.2 -
MozillaThunderbird unspecified ~ 115.2 -
II. Public POCs for CVE-2023-4577
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III. Intelligence Information for CVE-2023-4577
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IV. Related Vulnerabilities
Same product: Firefox
Same vendor: Mozilla
V. Comments for CVE-2023-4577

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