CVE-2025-40908 – LibYAML YAML File Modification Vulnerability

The following table lists the changes that have been made to the
CVE-2025-40908 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 9b29abf9-4ab0-4765-b253-1875cd9b441e

    Jun. 01, 2025

    Action Type Old Value New Value
    Added Description YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
    Added CWE CWE-552
    Added Reference https://github.com/ingydotnet/yaml-libyaml-pm/issues/120
    Added Reference https://github.com/ingydotnet/yaml-libyaml-pm/pull/121
    Added Reference https://github.com/ingydotnet/yaml-libyaml-pm/pull/122
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