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path: root/src/lib/exchange_api_refresh_common.c
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Diffstat (limited to 'src/lib/exchange_api_refresh_common.c')
-rw-r--r--src/lib/exchange_api_refresh_common.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lib/exchange_api_refresh_common.c b/src/lib/exchange_api_refresh_common.c
index f26c5bcc..9e9f6e0c 100644
--- a/src/lib/exchange_api_refresh_common.c
+++ b/src/lib/exchange_api_refresh_common.c
@@ -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;