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I. Basic Information for CVE-2025-40934
Vulnerability Information

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Vulnerability Title
XML-Sig prior to 0.68 for Perl improperly validates XML without signatures
Source: NVD (National Vulnerability Database)
Vulnerability Description
XML-Sig versions 0.27 through 0.67 for Perl incorrectly validates XML files if signatures are omitted. An attacker can remove the signature from the XML document to make it pass the verification check. XML-Sig is a Perl module to validate signatures on XML files.  An unsigned XML file should return an error message.  The affected versions return true when attempting to validate an XML file that contains no signatures.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
perl-XML-Sig 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
perl-XML-Sig是Net::SAML2 Perl Support开源的一个对XML数字签名进行签名和验证的包。 perl-XML-Sig 0.27版本至0.67版本存在安全漏洞,该漏洞源于错误验证无签名的XML文件。
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
TIMLEGGEXML::Sig 0.27 ~ 0.68 -
II. Public POCs for CVE-2025-40934
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III. Intelligence Information for CVE-2025-40934
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IV. Related Vulnerabilities
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