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CVE-2025-40908

YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified

CVSS 9.1 CRITICALEPSS 0.4%CWE-552
YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
TINITA · YAML::LibYAML

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References
https://github.com/ingydotnet/yaml-libyaml-pm/issues/120https://github.com/ingydotnet/yaml-libyaml-pm/pull/121https://github.com/ingydotnet/yaml-libyaml-pm/pull/122