necouchman commented on a change in pull request #274:
URL: https://github.com/apache/guacamole-server/pull/274#discussion_r420355935
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File path: src/protocols/rdp/plugins/guacai/guacai-messages.c
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@@ -48,8 +52,9 @@ static void guac_rdp_ai_read_format(wStream* stream,
Stream_Read_UINT16(stream, format->bps); /* wBitsPerSample */
Stream_Read_UINT16(stream, format->data_size); /* cbSize */
- /* Read arbitrary data block (if applicable) */
- if (format->data_size != 0) {
+ /* Read arbitrary data block (if applicable) and data is available. */
+ if (format->data_size != 0
+ && Stream_GetRemainingLength(stream) >= format->data_size) {
Review comment:
Okay, so maybe change this from a `static void` to `static int` and
return something non-zero if this happens?
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