bb #6805 update

12 years ago · 251175261f
parent 34322e44a5
commit 251175261f
1 changed files with 1 additions and 1 deletions
--- a/libclamav/pdf.c
+++ b/libclamav/pdf.c
@ -2243,7 +2243,7 @@ ascii85decode(const char *buf, off_t len, unsigned char *output)
 	while(len > 0) {
 		int byte = (len--) ? (int)*ptr++ : EOF;

-		if((byte == '~') && !len && (*ptr == '>'))
+		if((byte == '~') && (len > 0) && (*ptr == '>'))
 			byte = EOF;

 		if(byte >= '!' && byte <= 'u') {