{ "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "description", "text": "Cpanel::JSON::XS versions before 4.80 for Perl allow stack exhaustion via nested tagged values under allow_tags in decode_tag. With allow_tags, \"(\" starts a tagged value. Its tag and value are decoded recursively, and each can start another tagged value. Unlike arrays and objects, this nesting is not counted against max_depth. A run of \"(\" bytes exhausts the C stack and triggers an uncatchable segmentation fault regardless of max_depth.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-JSON-SIMD-2026-110673 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-json-simd-2026-110673.json" }, { "category": "external", "summary": "https://github.com/rurban/Cpanel-JSON-XS/commit/995eb484a9351753e2a8ec3317918b5b4a4e086a.patch", "url": "https://github.com/rurban/Cpanel-JSON-XS/commit/995eb484a9351753e2a8ec3317918b5b4a4e086a.patch" }, { "category": "external", "summary": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes", "url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes" }, { "category": "external", "summary": "CVE-2026-110673 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110673" } ], "title": "JSON-SIMD vulnerability", "tracking": { "current_release_date": "2026-10-19T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-JSON-SIMD-2026-110673", "initial_release_date": "2026-10-19T00:00:00", "revision_history": [ { "date": "2026-10-19T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/<1.08", "product": { "name": "JSON-SIMD less than 1.08", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/JSON-SIMD" } } }, { "category": "product_version_range", "name": "vers:cpan/>=1.08", "product": { "name": "JSON-SIMD greater than or equal 1.08", "product_id": "CSAFPID-0002", "product_identification_helper": { "purl": "pkg:cpan/JSON-SIMD" } } } ], "category": "product_name", "name": "JSON-SIMD" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-110673", "cwe": { "id": "CWE-674", "name": "Uncontrolled Recursion" }, "notes": [ { "category": "description", "text": "Cpanel::JSON::XS versions before 4.80 for Perl allow stack exhaustion via nested tagged values under allow_tags in decode_tag.\n\nWith allow_tags, \"(\" starts a tagged value. Its tag and value are decoded recursively, and each can start another tagged value. Unlike arrays and objects, this nesting is not counted against max_depth.\n\nA run of \"(\" bytes exhausts the C stack and triggers an uncatchable segmentation fault regardless of max_depth.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "CSAFPID-0002" ], "known_affected": [ "CSAFPID-0001" ] }, "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] } ] }