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