{
    "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": [
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                            "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"
                }
            }
        ]
    }
}