{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-11683", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2025-10-13T12:35:07.822Z", "datePublished": "2025-10-16T00:14:41.769Z", "dateUpdated": "2025-10-16T00:14:41.769Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "YAML-Syck", "product": "YAML::Syck", "programFiles": ["token.c"], "repo": "https://github.com/cpan-authors/YAML-Syck", "vendor": "TODDR", "versions": [{"lessThan": "1.36", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure<br><br>Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read<br><br>The issue is seen with complex YAML files with a hash of all keys and empty values.&nbsp; There is no indication that the issue leads to accessing memory outside that allocated to the module.<br>"}], "value": "YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure\n\nMissing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read\n\nThe issue is seen with complex YAML files with a hash of all keys and empty values.\u00a0 There is no indication that the issue leads to accessing memory outside that allocated to the module."}], "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread Buffers"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2025-10-16T00:14:41.769Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/cpan-authors/YAML-Syck/pull/65"}, {"tags": ["release-notes"], "url": "https://metacpan.org/dist/YAML-Syck/changes"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrade to version 1.36 or higher"}], "value": "Upgrade to version 1.36 or higher"}], "source": {"discovery": "UNKNOWN"}, "title": "YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Apply the patch"}], "value": "Apply the patch"}], "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure\n\nMissing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read\n\nThe issue is seen with complex YAML files with a hash of all keys and empty values.\u00a0 There is no indication that the issue leads to accessing memory outside that allocated to the module."}], "id": "CVE-2025-11683", "lastModified": "2025-10-16T01:15:32.890", "metrics": {}, "published": "2025-10-16T01:15:32.890", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/cpan-authors/YAML-Syck/pull/65"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/dist/YAML-Syck/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

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{}