Out-of-Bounds Affecting cpan-authors/YAML-Syck package, versions [,1.36)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published17 Oct 2025
- disclosed16 Oct 2025
- creditUnknown
Introduced: 16 Oct 2025
NewCVE-2025-11683 (opens in a new tab)How to fix?
Upgrade cpan-authors/YAML-Syck to version 1.36 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-Bounds due to missing null terminators in token.c. An attacker can access sensitive information from adjacent variables by crafting complex YAML files containing a hash of all keys with empty values.