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I. Basic Information for CVE-2025-11683
Vulnerability Information

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Vulnerability Title
YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure
Source: NVD (National Vulnerability Database)
Vulnerability Description
YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a hash of all keys and empty values.  There is no indication that the issue leads to accessing memory outside that allocated to the module.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
YAML::Syck 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YAML::Syck是CPAN Authors开源的一个Perl库。 YAML::Syck 1.36之前版本存在安全漏洞,该漏洞源于token.c中缺少空终止符,可能导致越界读取和信息泄露。
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
TODDRYAML::Syck 0 ~ 1.36 -
II. Public POCs for CVE-2025-11683
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III. Intelligence Information for CVE-2025-11683
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IV. Related Vulnerabilities
V. Comments for CVE-2025-11683

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