{"id":"CVE-2026-7259","state":"PUBLISHED","title":"Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()","description":"In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to  a NULL pointer dereference, resulting in a segmentation fault and denial of service. 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