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Fix the buffer data packets value being truncated on very large frames causing an out of bounds buffer access in reed_solomon_reconstruct()

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This commit is contained in:
Cameron Gutman 2017-06-06 02:07:13 -07:00
parent 9a7519937e
commit a499413221
1 changed files with 1 additions and 1 deletions
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2
src/RtpFecQueue.c
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@ -223,7 +223,7 @@ int RtpfAddPacket(PRTP_FEC_QUEUE queue, PRTP_PACKET packet, PRTPFEC_QUEUE_ENTRY
queue->bufferLowestSequenceNumber = ushort(packet->sequenceNumber - fecIndex);
queue->bufferSize = 0;
queue->bufferHighestSequenceNumber = packet->sequenceNumber;
queue->bufferDataPackets = ((nvPacket->fecInfo & 0xFF00000) >> 20) / 4;
queue->bufferDataPackets = ((nvPacket->fecInfo & 0xFFF00000) >> 20) / 4;
queue->fecPercentage = ((nvPacket->fecInfo & 0xFF0) >> 4);
} else if (isBefore(queue->bufferHighestSequenceNumber, packet->sequenceNumber)) {
queue->bufferHighestSequenceNumber = packet->sequenceNumber;