Heap-Based Buffer Over-read in Oniguruma's str_lower_case_match

Heap-Based Buffer Over-read in Oniguruma's str_lower_case_match

CVE-2019-19246 · HIGH Severity

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

Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.

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