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CVE-2025-11683 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/cpan-authors/YAML-Syck/pull/65 CPANSec
https://metacpan.org/dist/YAML-Syck/changes CPANSec

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer CPANSec  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-11683
NVD Published Date:
10/15/2025
NVD Last Modified:
10/15/2025
Source:
CPANSec