{"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":"2025-10-16T13:42:17.584Z"},"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.  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"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"ADJACENT_NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-16T13:41:01.868545Z","id":"CVE-2025-11683","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-16T13:42:17.584Z"}}]}}