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I. Basic Information for CVE-2021-4214
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
libpng 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libpng是一个可对PNG图形文件实现创建、读写等操作的PNG参考库。 libpng 存在缓冲区错误漏洞,该漏洞源于其pngimage.c组件的缺陷允许具有本地网络访问权限的攻击者将一个特殊制作的PNG文件传递给PNG图像实用程序实现堆缓冲区溢出致使程序崩溃,导致拒绝服务。
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
-libpng libpng v1.6 -
II. Public POCs for CVE-2021-4214
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III. Intelligence Information for CVE-2021-4214
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IV. Related Vulnerabilities
V. Comments for CVE-2021-4214

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