{"id":"CVE-2026-110673","published":"2026-10-19T19:17:20.877","lastModified":"2026-10-19T20:50:17.967","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-674"],"vendors":[],"products":[],"references":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/995eb484a9351753e2a8ec3317918b5b4a4e086a.patch","tags":[]},{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","tags":[]}],"exploitRefs":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/995eb484a9351753e2a8ec3317918b5b4a4e086a.patch","tags":[]}],"hasPoc":true,"ai":null}