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I. Basic Information for CVE-2021-3998
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
glibc 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
glibc（GNU C Library）是GNU计划所实现的C标准库。 glibc 存在安全漏洞，该漏洞源于glibc: getcwd()中的Off-by-one缓冲区溢出下溢。
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
-glibc Affects glibc v2.33 and above. -
II. Public POCs for CVE-2021-3998
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III. Intelligence Information for CVE-2021-3998
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IV. Related Vulnerabilities
Same product: glibc
Same vendor: n/a
Same weakness: CWE-125
V. Comments for CVE-2021-3998

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