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.

INFO

Published Date :

2025-10-16T00:14:41.769Z

Last Modified :

2025-10-16T13:42:17.584Z

Source :

CPANSec
AFFECTED PRODUCTS

The following products are affected by CVE-2025-11683 vulnerability.

Vendors Products
Perl
  • Perl
  • Yaml::syck
Toddr
  • Yaml\
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-11683.

URL Resource
https://github.com/cpan-authors/YAML-Syck/pull/65 cve-icon cve-icon cve-icon
https://metacpan.org/dist/YAML-Syck/changes cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-11683 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-11683 cve-icon
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