CVE-2026-9516

설명

Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws. To skip a leading 3-byte UTF-8 BOM, decode_json() advances the input scalar's string pointer past the mark with SvPV_set() and restores it only on the normal return path. When decoding aborts through a Perl exception, for example a filter_json_object callback that croaks, the restore is skipped and the scalar is left with its string pointer offset into its own buffer and a shortened length. When that scalar is later freed, the allocator receives an invali...

영향 제품·버전

제품 RURBAN Cpanel::JSON::XS, cpanel::json::xs

영향 버전 RURBAN Cpanel::JSON::XS, cpanel::json::xs < 4.41

수정 버전 RURBAN Cpanel::JSON::XS, cpanel::json::xs 4.41

기술 정보

CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE CWE-755, CWE-763