Vulnerability Database

319,561

Total vulnerabilities in the database

CVE-2025-11683

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.

  • Published: Oct 16, 2025
  • Updated: Nov 17, 2025
  • CVE: CVE-2025-11683
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWEs: