{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110685","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-10-14T13:26:41.061Z","datePublished":"2026-10-19T18:12:17.344Z","dateUpdated":"2026-10-29T17:06:21.316Z"},"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":"decode_tag"}],"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 leak the decoded arguments of a tagged value when its THAW method dies in decode_tag.\n\nWith allow_tags, a tagged value's class name and argument array are decoded and passed to the class's THAW method. Both are released only after THAW returns, so a THAW that dies leaves the whole decoded argument structure allocated.\n\nEach rejected document leaks data of a size the sender chooses, so a process that catches the error and keeps running exhausts its memory."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-10-19T18:12:17.344Z"},"references":[{"tags":["patch"],"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/9ab010221c069a7af9ef7463454ecd3b8ace9c58.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 leak the decoded arguments of a tagged value when its THAW method dies in decode_tag","x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-29T17:05:47.391632Z","id":"CVE-2026-110685","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-10-29T17:06:21.316Z"}}]}}