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From d3e402928b6eb3327f8f7d59a9edfa622fec557b Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kosako@sofnec.co.jp>
Date: Tue, 13 Aug 2019 13:37:30 +0900
Subject: [PATCH] fix heap-buffer-overflow
---
src/regexec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/regexec.c b/src/regexec.c
index 0753b07..634ee42 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -4196,6 +4196,7 @@ str_lower_case_match(OnigEncoding enc, int case_fold_flag,
lowlen = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &p, end, lowbuf);
q = lowbuf;
while (lowlen > 0) {
+ if (t >= tend) return 0;
if (*t++ != *q++) return 0;
lowlen--;
}
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