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Fix buffer over run, source is similar to local_source but smaller.

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So it might be possible to find a plus character in random data behind source.
This commit is contained in:
Boris Zentner 2017-01-29 11:21:15 +01:00 • committed by Robin Stuart
parent 45633751ee
commit 81cadc3cf9
1 changed files with 1 additions and 1 deletions
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backend/upcean.c
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@ -753,8 +753,8 @@ int eanx(struct zint_symbol *symbol, unsigned char source[], int src_len) {
ean_leading_zeroes(symbol, source, local_source);
if (source[reader] == '+') {
for (reader = 0; reader < ustrlen(local_source); reader++) {
if (local_source[reader] == '+') {
with_addon = TRUE;
}
}