{"api_version":"1","generated_at":"2026-10-24T05:58:33+00:00","cve":"CVE-2026-110681","urls":{"html":"https://cve.report/CVE-2026-110681","api":"https://cve.report/api/cve/CVE-2026-110681.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-110681","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110681"},"summary":{"title":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread","description":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread.\n\nA parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these are copied into the new interpreter unchanged, so the child's parser uses, and later frees, scalars that belong to the parent and may already have been freed there.\n\nA parser created before a thread starts and used inside it can call freed callbacks, corrupt reference counts and crash the process.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-10-19 19:17:21","updated_at":"2026-10-19 20:50:17"},"problem_types":["CWE-416","CWE-416 CWE-416 Use After Free"],"metrics":[],"references":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/c53eefbaa59c344abd4c71762118da04280987e8.patch","name":"https://github.com/rurban/Cpanel-JSON-XS/commit/c53eefbaa59c344abd4c71762118da04280987e8.patch","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","name":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110681","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110681","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[{"source":"CNA","time":"2026-10-14T00:00:00.000Z","lang":"en","value":"Version 4.80 released with fix."}],"solutions":[{"source":"CNA","title":"","value":"Upgrade to Cpanel-JSON-XS 4.80 or later.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["Cpanel::JSON::XS"],"packageName":"Cpanel-JSON-XS","packageURL":"pkg:cpan/Cpanel-JSON-XS","programFiles":["XS.xs"],"programRoutines":[{"name":"Cpanel::JSON::XS::new"}],"repo":"https://github.com/rurban/Cpanel-JSON-XS","versions":[{"lessThan":"4.80","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread.\n\nA parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these are copied into the new interpreter unchanged, so the child's parser uses, and later frees, scalars that belong to the parent and may already have been freed there.\n\nA parser created before a thread starts and used inside it can call freed callbacks, corrupt reference counts and crash the process."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-19T18:12:05.543Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["patch"],"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/c53eefbaa59c344abd4c71762118da04280987e8.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes"}],"solutions":[{"lang":"en","value":"Upgrade to Cpanel-JSON-XS 4.80 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-10-14T00:00:00.000Z","value":"Version 4.80 released with fix."}],"title":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-110681","datePublished":"2026-10-19T18:12:05.543Z","dateReserved":"2026-10-14T13:25:47.112Z","dateUpdated":"2026-10-19T18:12:05.543Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-19 19:17:21","lastModifiedDate":"2026-10-19 20:50:17","problem_types":["CWE-416","CWE-416 CWE-416 Use After Free"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"110681","Ordinal":"1","Title":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent in","CVE":"CVE-2026-110681","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"110681","Ordinal":"1","NoteData":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread.\n\nA parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these are copied into the new interpreter unchanged, so the child's parser uses, and later frees, scalars that belong to the parent and may already have been freed there.\n\nA parser created before a thread starts and used inside it can call freed callbacks, corrupt reference counts and crash the process.","Type":"Description","Title":"Cpanel::JSON::XS versions before 4.80 for Perl use the parent in"}]}}}