VULNERABILITY INTELLIGENCE

CVE-2025-11683

CVSS score6.5 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2025-10-16
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • 9b29abf9-4ab0-4765-b253-1875cd9b441e: CWE-119

Primary references