漏洞信息
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Vulnerability Title
Out-of-bounds Write in libwebsockets PNG parsing
Vulnerability Description
Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big width value that causes an integer overflow which value is used for determining the size of a heap allocation.
CVSS Information
N/A
Vulnerability Type
跨界内存写
Vulnerability Title
Libwebsockets 缓冲区错误漏洞
Vulnerability Description
Libwebsockets是lws-team开源的一个规范的 libwebsockets 网络库。 Libwebsockets存在缓冲区错误漏洞，该漏洞源于LWS_WITH_UPNG编译标志启用时，unfilter_scanline函数存在越界写入，可能导致堆缓冲区溢出。
CVSS Information
N/A
Vulnerability Type
N/A