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fix #6195

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This commit is contained in:
Christian Grothoff 2020-04-21 15:25:12 +02:00
parent 32bce6da43
commit 092944819d
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GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 2 additions and 1 deletions
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3
src/lib/exchange_api_refresh_common.c
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@ -266,7 +266,8 @@ deserialize_denomination_key (struct TALER_DenominationPublicKey *dk,
buf,
sizeof (uint32_t));
pbuf_size = ntohl (be);
if (size < sizeof (uint32_t) + pbuf_size)
if ( (size < sizeof (uint32_t) + pbuf_size) ||
(sizeof (uint32_t) + pbuf_size < pbuf_size) )
{
GNUNET_break (0);
*ok = GNUNET_NO;