{"id":"CVE-2026-110685","aliases":[],"cve":{"records":[{"id":"CVE-2026-110685","source":"CPANSec","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-14T13:26:41.061Z","published":"2026-10-19T18:12:17.344Z","modified":"2026-10-29T17:06:21.316Z"}],"publishers":[{"name":"CPANSec","role":"CNA","organizationId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","modified":"2026-10-19T18:12:17.344Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T17:06:21.316Z"}],"references":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/9ab010221c069a7af9ef7463454ecd3b8ace9c58.patch","tags":["patch"],"source":"CPANSec"},{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","tags":["release-notes"],"source":"CPANSec"}],"weaknesses":[{"id":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime","source":"CPANSec"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T17:05:47.391632Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"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","titleSource":"CPANSec","descriptionSource":"CPANSec","description":"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.","score":9.1,"severity":"critical","published":"2026-10-19T18:12:17.344Z","modified":"2026-10-29T17:06:21.316Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"","name":"Cpanel-JSON-XS","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"4.80","versionType":"custom"}],"defaultStatus":"unaffected","packageURL":"pkg:cpan/Cpanel-JSON-XS","cpes":[],"source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-110685"}],"remediation":[{"text":"Upgrade to Cpanel-JSON-XS 4.80 or later.","source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-110685"}],"references":["https://github.com/rurban/Cpanel-JSON-XS/commit/9ab010221c069a7af9ef7463454ecd3b8ace9c58.patch","https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes"],"sources":[{"name":"CVE","id":"CVE-2026-110685","modified":"2026-10-29T17:06:21.316Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-110685"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1}],"sourceAffected":[],"observedAt":"2026-10-29T17:26:58.365Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:00:31.626Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T09:25:34.906Z","attemptedAt":"2026-10-30T09:25:34.906Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T09:25:34.927Z","attemptedAt":"2026-10-30T09:25:34.927Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T09:25:34.576Z","attemptedAt":"2026-10-30T09:25:34.576Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T09:25:36.523Z","attemptedAt":"2026-10-30T09:25:36.523Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-104564","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104564","modified":"Oct 29, 2026, 5:06:21 PM","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T09:25:34.576Z"},{"source":"NVD","id":"CVE-2026-110685","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110685","modified":"2026-10-29T17:18:00.723","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T09:25:34.906Z"},{"source":"GitHub Advisory Database","id":"GHSA-mv2h-wx54-jcf9","url":"https://github.com/advisories/GHSA-mv2h-wx54-jcf9","modified":"2026-10-29T18:31:41Z","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T09:25:34.927Z"},{"source":"FIRST EPSS","id":"CVE-2026-110685","url":"https://www.first.org/epss/","probability":0.00171,"percentile":0.06494,"date":"2026-10-29","checkedAt":"2026-10-30T09:25:36.523Z"}],"aiSummary":{"text":"Cpanel::JSON::XS versions before 4.80 for Perl leak decoded arguments when the THAW method dies, potentially exhausting memory. The weakness occurs when allow_tags is enabled and a tagged value's THAW method fails. This may cause memory exhaustion if errors are caught and the process continues running.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:55:42.697Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-110685"}]}}