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authorJohn MacFarlane <jgm@berkeley.edu>2017-01-20 20:14:46 +0100
committerJohn MacFarlane <jgm@berkeley.edu>2017-01-20 20:14:46 +0100
commit664b8603a1b6dc94d199496dc4b372b285fa89fd (patch)
treede325a66e47f092bf67859969dcd8d2596fd54ef
parent06156fd9194806ab98889e5ef3a309bb7075b02c (diff)
Fixed buffer overflow error in S_parser_feed.
The overflow could occur in the following condition: the buffer ends with `\r` and the next memory address contains `\n`. Closes #184.
-rw-r--r--src/blocks.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/blocks.c b/src/blocks.c
index 99dd082..051d2e8 100644
--- a/src/blocks.c
+++ b/src/blocks.c
@@ -580,7 +580,7 @@ static void S_parser_feed(cmark_parser *parser, const unsigned char *buffer,
if (buffer == end)
parser->last_buffer_ended_with_cr = true;
}
- if (*buffer == '\n')
+ if (buffer < end && *buffer == '\n')
buffer++;
}
}