XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes

XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes.

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堆缓冲区溢出

XML::Parser 安全漏洞

XML::Parser是CPAN Authors开源的一个Perl语言的XML文档解析模块。 XML::Parser 2.47及之前版本存在安全漏洞，该漏洞源于XML输入缓冲区溢出，可能导致堆损坏和崩溃。

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