final int negotiateContextCount = SMBUtil.readInt2(buffer, bufferIndex + 2);

        // Validate negotiate context count - prevent excessive memory allocation
        if (negotiateContextCount < 0 || negotiateContextCount > 100) {
            throw new SMBProtocolDecodingException("Invalid negotiate context count: " + negotiateContextCount + " (must be 0-100)");
        }

        dstIndex += 4;

        System.arraycopy(this.clientGuid, 0, dst, dstIndex, 16);
        dstIndex += 16;

        // if SMB 3.11 support negotiateContextOffset/negotiateContextCount
        int negotitateContextOffsetOffset = 0;
        if (this.negotiateContexts == null || this.negotiateContexts.length == 0) {
            SMBUtil.writeInt8(0, dst, dstIndex);
        } else {